Domain Search Examples · Example 6 of 24 in Filters › WHOIS

Registrant Organization Is Cloudflare

POSThttps://api.deepinfo.com/v1/discovery/domain-search

Field: domain.whois.registrant.organization
Operator: eq

Matches records whose domain.whois.registrant.organization equals cloudflare, inc..

WHOIS values are stored in lower case.

In the response, look at results[].domain.whois.registrant.organization.

Request

curl

curl -X POST 'https://api.deepinfo.com/v1/discovery/domain-search?page_size=25' \
  -H 'apikey: YOUR_API_KEY' \
  -H 'Accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "filters": {
    "must": [
      {
        "name": "domain.whois.registrant.organization",
        "type": "eq",
        "value": "cloudflare, inc."
      }
    ]
  }
}'

Python

import requests

url = "https://api.deepinfo.com/v1/discovery/domain-search"

params = {
    "page_size": "25"
}

headers = {
    "apikey": "YOUR_API_KEY",
    "Accept": "application/json",
    "Content-Type": "application/json"
}

payload = {
    "filters": {
        "must": [
            {
                "name": "domain.whois.registrant.organization",
                "type": "eq",
                "value": "cloudflare, inc."
            }
        ]
    }
}

response = requests.post(url, params=params, headers=headers, json=payload)
response.raise_for_status()
print(response.json())

JavaScript

const url = "https://api.deepinfo.com/v1/discovery/domain-search?page_size=25";

const response = await fetch(url, {
  method: "POST",
  headers: {
    "apikey": "YOUR_API_KEY",
    "Accept": "application/json",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    filters: {
      must: [
        {
          name: "domain.whois.registrant.organization",
          type: "eq",
          value: "cloudflare, inc."
        }
      ]
    }
  }),
});

const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
	"strings"
)

func main() {
	payload := strings.NewReader(`{
  "filters": {
    "must": [
      {
        "name": "domain.whois.registrant.organization",
        "type": "eq",
        "value": "cloudflare, inc."
      }
    ]
  }
}`)

	req, err := http.NewRequest("POST", "https://api.deepinfo.com/v1/discovery/domain-search?page_size=25", payload)
	if err != nil {
		panic(err)
	}
	req.Header.Set("apikey", "YOUR_API_KEY")
	req.Header.Set("Accept", "application/json")
	req.Header.Set("Content-Type", "application/json")

	res, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()

	body, err := io.ReadAll(res.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println(string(body))
}

Java

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        String body = """
            {
              "filters": {
                "must": [
                  {
                    "name": "domain.whois.registrant.organization",
                    "type": "eq",
                    "value": "cloudflare, inc."
                  }
                ]
              }
            }""";

        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://api.deepinfo.com/v1/discovery/domain-search?page_size=25"))
            .header("apikey", "YOUR_API_KEY")
            .header("Accept", "application/json")
            .header("Content-Type", "application/json")
            .POST(HttpRequest.BodyPublishers.ofString(body))
            .build();

        HttpResponse<String> response = HttpClient.newHttpClient()
            .send(request, HttpResponse.BodyHandlers.ofString());

        System.out.println(response.body());
    }
}

using System;
using System.Net.Http;
using System.Text;

using var client = new HttpClient();

var body = """
    {
      "filters": {
        "must": [
          {
            "name": "domain.whois.registrant.organization",
            "type": "eq",
            "value": "cloudflare, inc."
          }
        ]
      }
    }
    """;

var request = new HttpRequestMessage(HttpMethod.Post, "https://api.deepinfo.com/v1/discovery/domain-search?page_size=25");
request.Headers.Add("apikey", "YOUR_API_KEY");
request.Headers.Add("Accept", "application/json");
request.Content = new StringContent(body, Encoding.UTF8, "application/json");

using var response = await client.SendAsync(request);
Console.WriteLine(await response.Content.ReadAsStringAsync());

PHP

<?php

$body = <<<'JSON'
{
  "filters": {
    "must": [
      {
        "name": "domain.whois.registrant.organization",
        "type": "eq",
        "value": "cloudflare, inc."
      }
    ]
  }
}
JSON;

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => 'https://api.deepinfo.com/v1/discovery/domain-search?page_size=25',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_CUSTOMREQUEST => 'POST',
    CURLOPT_HTTPHEADER => [
        'apikey: YOUR_API_KEY',
        'Accept: application/json',
        'Content-Type: application/json',
    ],
    CURLOPT_POSTFIELDS => $body,
]);

$response = curl_exec($curl);

if ($response === false) {
    throw new RuntimeException(curl_error($curl));
}

echo $response . PHP_EOL;

Ruby

require 'net/http'
require 'uri'

uri = URI('https://api.deepinfo.com/v1/discovery/domain-search?page_size=25')

request = Net::HTTP::Post.new(uri)
request['apikey'] = 'YOUR_API_KEY'
request['Accept'] = 'application/json'
request['Content-Type'] = 'application/json'
request.body = <<~'JSON'.chomp
  {
    "filters": {
      "must": [
        {
          "name": "domain.whois.registrant.organization",
          "type": "eq",
          "value": "cloudflare, inc."
        }
      ]
    }
  }
JSON

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == 'https') do |http|
  http.request(request)
end

puts response.body

Response

200 OK · application/json

Shortened for this page: results: 3 of 25 shown

Response Body

{
  "page": 1,
  "page_size": 25,
  "result_count": 3837,
  "results": [
    {
      "punycode": "kaista-kasino.fi",
      "unicode": "kaista-kasino.fi",
      "is_idn": false,
      "subdomain": null,
      "subdomain_last": null,
      "subdomain_root": null,
      "name": {
        "punycode": "kaista-kasino",
        "unicode": "kaista-kasino",
        "is_idn": false,
        "contains_letter": true,
        "contains_number": false,
        "contains_hyphen": true,
        "length": 13,
        "lang": "fi",
        "keywords": [
          "kaista",
          "kasino"
        ],
        "keyword_count": 2,
        "latinized": [],
        "contains_confusable": false
      },
      "domain": {
        "punycode": "kaista-kasino.fi",
        "unicode": "kaista-kasino.fi",
        "is_idn": false,
        "name": {
          "punycode": "kaista-kasino",
          "unicode": "kaista-kasino",
          "is_idn": false,
          "contains_letter": true,
          "contains_number": false,
          "contains_hyphen": true,
          "length": 13,
          "lang": "fi",
          "keywords": [
            "kaista",
            "kasino"
          ],
          "keyword_count": 2
        },
        "extension": {
          "punycode": "fi",
          "unicode": "fi",
          "is_idn": false
        },
        "extension_root": {
          "punycode": "fi",
          "unicode": "fi",
          "is_idn": false
        },
        "extension_sub": null,
        "extension_type": 2,
        "reserved": null,
        "premium": null,
        "registered": true,
        "whois": {
          "create_date": "2026-08-14T18:40:32Z",
          "update_date": null,
          "expiry_date": "2027-08-14T18:40:32Z",
          "registrar": "eurodns s.a.",
          "registrant": {
            "name": "cloudflare, inc.",
            "organization": "cloudflare, inc.",
            "street": null,
            "city": null,
            "state": null,
            "postal_code": null,
            "country": null,
            "phone": null,
            "email": null
          },
          "name_servers": [
            "cora.ns.cloudflare.com",
            "miles.ns.cloudflare.com"
          ],
          "domain_status": [
            "registered"
          ],
          "whois_server": null,
          "check_date": "2026-08-25T08:24:56Z"
        },
        "whois_normalized": {
          "registrant": {
            "organization": "cloudflareinc",
            "phone": null,
            "email": null,
            "email_fqdn_apex": null,
            "email_domain_apex": null
          }
        },
        "whois_last_check_date": "2026-08-25T08:24:56Z",
        "whois_create_date_historical": [
          "2026-08-14T18:40:32Z"
        ],
        "whois_last_change_date": "2026-08-25T08:28:10Z",
        "whois_registrant_email_historical": [],
        "whois_privacy_enabled": true,
        "dns": {
          "a": {
            "update_date": "2026-08-27T08:45:28Z",
            "ip_addresses": [
              "104.21.76.243",
              "172.67.202.81"
            ]
          }
        },
        "dns_last_change_date": "2026-08-22T22:29:34Z",
        "ip_history": [
          "104.21.76.243",
          "172.67.202.81"
        ],
        "ssl": {
          "validity": {
            "start_date": "2026-08-17T10:42:17Z",
            "end_date": "2026-11-15T11:42:13Z"
          },
          "serial_number": "96368256175026112925907532839092140915",
          "check_date": "2026-08-23T01:42:32Z"
        },
        "ssl_last_change_date": "2026-08-23T01:43:18Z"
      },
      "type": 1,
      "subdomain_level_count": 0,
      "dns": {
        "a": {
          "update_date": "2026-08-27T08:45:28Z",
          "ip_addresses": [
            "104.21.76.243",
            "172.67.202.81"
          ]
        },
        "aaaa": {
          "update_date": "2026-08-27T08:45:28Z",
          "ip_addresses": [
            "2606:4700:3033::6815:4cf3",
            "2606:4700:3035::ac43:ca51"
          ]
        },
        "ns": {
          "update_date": "2026-08-27T08:45:28Z",
          "name_servers": [
            "cora.ns.cloudflare.com",
            "miles.ns.cloudflare.com"
          ]
        },
        "mx": {
          "update_date": "2026-08-27T08:45:28Z",
          "mail_servers": []
        },
        "soa": {
          "update_date": "2026-08-27T08:45:28Z",
          "mnames": [
            "cora.ns.cloudflare.com"
          ],
          "rnames": [
            "dns.cloudflare.com"
          ],
          "rname_emails": [
            "user@cloudflare.com"
          ]
        },
        "txt": {
          "update_date": "2026-08-27T08:45:28Z",
          "values": []
        },
        "cname": {
          "update_date": "2026-08-27T08:45:28Z",
          "values": []
        },
        "others": []
      },
      "dns_last_change_date": "2026-08-22T22:29:34Z",
      "ip_history": [
        "104.21.76.243",
        "172.67.202.81"
      ],
      "ssl": {
        "tags": [
          "dla"
        ],
        "fqdns": [
          "kaista-kasino.fi"
        ],
        "version": 3,
        "serial_number": "96368256175026112925907532839092140915",
        "fingerprint": {
          "sha256": "773bf54e8049c64c4ff2d50d30f3df8e73fb90f37f557d3decd289b303970bd5",
          "sha1": "852be73b66026915aff2bd9e8fe6413e0b9cc9cc",
          "md5": "600c0a0f80312fa3abb1dbb1b3d0cb1d"
        },
        "validity": {
          "start_date": "2026-08-17T10:42:17Z",
          "end_date": "2026-11-15T11:42:13Z",
          "length": 7779596
        },
        "signature": {
          "is_self_signed": false,
          "is_valid": true,
          "value": "MEYCIQDXVorKqaN+wyu+TOXInF6zbILRBcZBwkvJ/86QMknHnAIhAO1rv7ep8K2Q/9uXBLFZlDRNO6f/bwygdZKH7NjMn66T",
          "algorithm": {
            "oid": "1.2.840.10045.4.3.2",
            "name": "sha256"
          }
        },
        "issuer_dn": "CN=WE1,O=Google Trust Services,C=US",
        "issuer": {
          "common_name": "WE1",
          "country": "US",
          "state": null,
          "locality": null,
          "organization": "Google Trust Services",
          "organizational_unit": null
        },
        "subject_dn": "CN=kaista-kasino.fi",
        "subject": {
          "common_name": "kaista-kasino.fi",
          "country": null,
          "state": null,
          "locality": null,
          "organization": null,
          "organizational_unit": null
        },
        "extensions": {
          "authority_key_id": "kHeSNWfE/6jMqeZ72YB5e8yT+Tg=",
          "basic_constraints": {
            "is_ca": false
          },
          "certificate_policies": [
            "2.23.140.1.2.1"
          ],
          "extended_key_usage": {
            "client_auth": null,
            "server_auth": true
          },
          "key_usage": {
            "digital_signature": true,
            "content_commitment": false,
            "key_agreement": false,
            "data_encipherment": false,
            "key_encipherment": false,
            "key_cert_sign": false,
            "crl_sign": false
          },
          "signed_certificate_timestamps": [
            "2026-08-17T11:42:18Z"
          ],
          "subject_alt_name": {
            "dns_names": [
              "kaista-kasino.fi"
            ]
          },
          "subject_key_id": "BaDm2hmv/SCWvVdq2GoyhJjDx/k="
        },
        "check_date": "2026-08-23T01:42:32Z"
      },
      "ssl_last_change_date": "2026-08-23T01:43:18Z",
      "webdata": {
        "connection_status": "success",
        "html": {
          "source_code_hash": "dadcb65033d007d6940e20fb30ff62daab4f96d459c0e3da70987cf0b25b350a"
        },
        "http": {
          "status_code_first": 301,
          "status_code_last": 200,
          "redirection_history": [
            {
              "url": "http://kaista-kasino.fi/",
              "status_code": 301
            },
            {
              "url": "https://kaista-kasino.fi/",
              "status_code": 200
            }
          ],
          "external_redirection": false,
          "final_url": "https://kaista-kasino.fi/",
          "final_fqdn": "kaista-kasino.fi",
          "final_domain": "kaista-kasino.fi",
          "headers": {
            "others": [
              {
                "name": "date",
                "value": "Sat, 22 Aug 2026 22:31:55 GMT"
              },
              {
                "name": "transfer_encoding",
                "value": "chunked"
              },
              {
                "name": "connection",
                "value": "keep-alive"
              },
              {
                "name": "report_to",
                "value": "{\"group\":\"cf-nel\",\"max_age\":604800,\"endpoints\":[{\"url\":\"https://a.nel.cloudflare.com/report/v4?s=0H0dA1RlCQTevy%2F2ozJiMUavceU72AkYi1HnnmvVB%2Bv%2FRyBIew1%2B4KMslm8SSDedgdMaMC2BYwsevQcBh6o7AGr8HByfSRDoJP89aUiIZmdc8gzGjLXFoYKJs%2B06YBJdG%2Fbn\"}]}"
              },
              {
                "name": "nel",
                "value": "{\"report_to\":\"cf-nel\",\"success_fraction\":0.0,\"max_age\":604800}"
              },
              {
                "name": "vary",
                "value": "accept-encoding"
              },
              {
                "name": "cf_cache_status",
                "value": "DYNAMIC"
              },
              {
                "name": "cf_ray",
                "value": "a2f5549e19abda7a-ORD"
              },
              {
                "name": "alt_svc",
                "value": "h3=\":443\"; ma=86400"
              }
            ],
            "access_control_allow_headers": null,
            "access_control_allow_methods": null,
            "access_control_allow_origin": "*",
            "cache_control": "public, max-age=0, must-revalidate",
            "clear_site_data": null,
            "content_encoding": "gzip",
            "content_security_policy": null,
            "content_type": "text/html; charset=utf-8",
            "cross_origin_embedder_policy": null,
            "cross_origin_opener_policy": null,
            "cross_origin_resource_policy": null,
            "expect_ct": null,
            "feature_policy": null,
            "last_modified": null,
            "permission_policy": null,
            "referrer_policy": "strict-origin-when-cross-origin",
            "server": "cloudflare",
            "set_cookie": null,
            "strict_transport_security": null,
            "x_content_type_options": "nosniff",
            "x_download_options": null,
            "x_frame_options": "SAMEORIGIN",
            "x_permitted_cross_domain_policies": null,
            "x_powered_by": null,
            "x_xss_protection": null
          },
          "cookies": []
        }
      }
    },
    {
      "punycode": "sancti.fi",
      "unicode": "sancti.fi",
      "is_idn": false,
      "subdomain": null,
      "subdomain_last": null,
      "subdomain_root": null,
      "name": {
        "punycode": "sancti",
        "unicode": "sancti",
        "is_idn": false,
        "contains_letter": true,
        "contains_number": false,
        "contains_hyphen": false,
        "length": 6,
        "lang": "de",
        "keywords": [
          "sancti"
        ],
        "keyword_count": 1,
        "latinized": [],
        "contains_confusable": false
      },
      "domain": {
        "punycode": "sancti.fi",
        "unicode": "sancti.fi",
        "is_idn": false,
        "name": {
          "punycode": "sancti",
          "unicode": "sancti",
          "is_idn": false,
          "contains_letter": true,
          "contains_number": false,
          "contains_hyphen": false,
          "length": 6,
          "lang": "de",
          "keywords": [
            "sancti"
          ],
          "keyword_count": 1
        },
        "extension": {
          "punycode": "fi",
          "unicode": "fi",
          "is_idn": false
        },
        "extension_root": {
          "punycode": "fi",
          "unicode": "fi",
          "is_idn": false
        },
        "extension_sub": null,
        "extension_type": 2,
        "reserved": null,
        "premium": null,
        "registered": true,
        "whois": {
          "create_date": "2025-12-19T21:31:47Z",
          "update_date": "2025-12-30T18:47:50Z",
          "expiry_date": "2026-12-19T21:31:47Z",
          "registrar": "eurodns s.a.",
          "registrant": {
            "name": "cloudflare, inc.",
            "organization": "cloudflare, inc.",
            "street": null,
            "city": null,
            "state": null,
            "postal_code": null,
            "country": null,
            "phone": null,
            "email": null
          },
          "name_servers": [
            "mary.ns.cloudflare.com",
            "patrick.ns.cloudflare.com"
          ],
          "domain_status": [
            "registered"
          ],
          "whois_server": null,
          "check_date": "2026-06-24T00:23:43Z"
        },
        "whois_normalized": {
          "registrant": {
            "organization": "cloudflareinc",
            "phone": null,
            "email": null,
            "email_fqdn_apex": null,
            "email_domain_apex": null
          }
        },
        "whois_last_check_date": "2026-06-24T00:23:43Z",
        "whois_create_date_historical": [
          "2025-12-19T21:31:47Z"
        ],
        "whois_last_change_date": "2026-06-22T23:48:05Z",
        "whois_registrant_email_historical": [],
        "whois_privacy_enabled": true,
        "dns": {
          "a": {
            "update_date": "2026-09-15T15:58:10Z",
            "ip_addresses": [
              "65.21.145.130"
            ]
          }
        },
        "dns_last_change_date": "2026-09-15T16:46:50Z",
        "ip_history": [
          "65.21.145.130"
        ],
        "ssl": {
          "validity": {
            "start_date": "2026-08-16T13:30:55Z",
            "end_date": "2026-11-14T13:30:54Z"
          },
          "serial_number": "604394845013922616533689067959736376631421",
          "check_date": "2026-09-14T15:46:50Z"
        },
        "ssl_last_change_date": "2026-09-14T15:47:40Z"
      },
      "type": 1,
      "subdomain_level_count": 0,
      "dns": {
        "a": {
          "update_date": "2026-09-15T15:58:10Z",
          "ip_addresses": [
            "65.21.145.130"
          ]
        },
        "aaaa": {
          "update_date": "2026-09-15T15:58:10Z",
          "ip_addresses": []
        },
        "ns": {
          "update_date": "2026-09-15T15:58:10Z",
          "name_servers": [
            "mary.ns.cloudflare.com",
            "patrick.ns.cloudflare.com"
          ]
        },
        "mx": {
          "update_date": "2026-09-15T15:58:10Z",
          "mail_servers": [
            "route2.mx.cloudflare.net",
            "route3.mx.cloudflare.net",
            "route1.mx.cloudflare.net"
          ]
        },
        "soa": {
          "update_date": "2026-09-15T15:58:10Z",
          "mnames": [
            "mary.ns.cloudflare.com"
          ],
          "rnames": [
            "dns.cloudflare.com"
          ],
          "rname_emails": [
            "user@cloudflare.com"
          ]
        },
        "txt": {
          "update_date": "2026-09-15T15:58:10Z",
          "values": [
            "\"brevo-code:3db326e21e3fe3a0330542284feae107\"",
            "\"v=spf1 include:_spf.mx.cloudflare.net ~all\""
          ]
        },
        "cname": {
          "update_date": "2026-09-15T15:58:10Z",
          "values": []
        },
        "others": []
      },
      "dns_last_change_date": "2026-09-15T16:46:47Z",
      "ip_history": [
        "65.21.145.130"
      ],
      "ssl": {
        "tags": [
          "dla"
        ],
        "fqdns": [
          "sancti.fi"
        ],
        "version": 3,
        "serial_number": "604394845013922616533689067959736376631421",
        "fingerprint": {
          "sha256": "849a45cff208df5385c3fc74ae1c828e89933e0e46d458741e6fa2a6dd5581bf",
          "sha1": "8c8485463247e6d194a0732fddbb87464346adeb",
          "md5": "1a9b971519d92c874b1e0156439ea840"
        },
        "validity": {
          "start_date": "2026-08-16T13:30:55Z",
          "end_date": "2026-11-14T13:30:54Z",
          "length": 7775999
        },
        "signature": {
          "is_self_signed": false,
          "is_valid": true,
          "value": "MGUCMD0oBmVeGnAeXiS546SSc2XUz2BpcynEDkfCkFJz9jC9Aym1SDB8Xgea36AvbFr4owIxAILqCe6Scfb7Iezs/jaX19B5rF8NdpWPxCRKQH+YPcq9BfHVcY2TX0cHgpg6LfB8OA==",
          "algorithm": {
            "oid": "1.2.840.10045.4.3.3",
            "name": "sha384"
          }
        },
        "issuer_dn": "CN=YE1,O=Let's Encrypt,C=US",
        "issuer": {
          "common_name": "YE1",
          "country": "US",
          "state": null,
          "locality": null,
          "organization": "Let's Encrypt",
          "organizational_unit": null
        },
        "subject_dn": "CN=sancti.fi",
        "subject": {
          "common_name": "sancti.fi",
          "country": null,
          "state": null,
          "locality": null,
          "organization": null,
          "organizational_unit": null
        },
        "extensions": {
          "authority_key_id": "uyDKRwv+1+Wc+Y8JKqOMN0WxvNg=",
          "basic_constraints": {
            "is_ca": false
          },
          "certificate_policies": [
            "2.23.140.1.2.1"
          ],
          "extended_key_usage": {
            "client_auth": null,
            "server_auth": true
          },
          "key_usage": {
            "digital_signature": true,
            "content_commitment": false,
            "key_agreement": false,
            "data_encipherment": false,
            "key_encipherment": false,
            "key_cert_sign": false,
            "crl_sign": false
          },
          "signed_certificate_timestamps": [
            "2026-08-16T14:29:25Z",
            "2026-08-16T14:29:24Z"
          ],
          "subject_alt_name": {
            "dns_names": [
              "sancti.fi"
            ]
          },
          "subject_key_id": "mYGCI7q19ww15FcLk/5cMiaB0HQ="
        },
        "check_date": "2026-09-14T15:46:50Z"
      },
      "ssl_last_change_date": "2026-09-14T15:47:38Z",
      "webdata": {
        "connection_status": "success",
        "html": {
          "source_code_hash": "435c67bda478f0993666a16233d4e5eb6c51664e34b37a762bb7fb98d7c94255"
        },
        "http": {
          "status_code_first": 308,
          "status_code_last": 200,
          "redirection_history": [
            {
              "url": "http://sancti.fi/",
              "status_code": 308
            },
            {
              "url": "https://sancti.fi/",
              "status_code": 302
            },
            {
              "url": "https://sancti.fi/app/",
              "status_code": 200
            }
          ],
          "external_redirection": false,
          "final_url": "https://sancti.fi/app/",
          "final_fqdn": "sancti.fi",
          "final_domain": "sancti.fi",
          "headers": {
            "others": [
              {
                "name": "alt_svc",
                "value": "h3=\":443\"; ma=2592000"
              },
              {
                "name": "content_length",
                "value": "1198"
              },
              {
                "name": "date",
                "value": "Wed, 08 Jul 2026 00:38:11 GMT"
              },
              {
                "name": "permissions_policy",
                "value": "autoplay=(), camera=(), microphone=(), usb=()"
              },
              {
                "name": "vary",
                "value": "Origin, Accept-Encoding"
              },
              {
                "name": "via",
                "value": "1.1 Caddy"
              }
            ],
            "access_control_allow_headers": null,
            "access_control_allow_methods": null,
            "access_control_allow_origin": null,
            "cache_control": null,
            "clear_site_data": null,
            "content_encoding": "gzip",
            "content_security_policy": null,
            "content_type": "text/html",
            "cross_origin_embedder_policy": null,
            "cross_origin_opener_policy": null,
            "cross_origin_resource_policy": null,
            "expect_ct": null,
            "feature_policy": null,
            "last_modified": null,
            "permission_policy": null,
            "referrer_policy": "same-origin",
            "server": null,
            "set_cookie": null,
            "strict_transport_security": null,
            "x_content_type_options": "nosniff",
            "x_download_options": null,
            "x_frame_options": "DENY",
            "x_permitted_cross_domain_policies": null,
            "x_powered_by": null,
            "x_xss_protection": null
          },
          "cookies": []
        }
      }
    },
    {
      "punycode": "cloudflaredemo.win",
      "unicode": "cloudflaredemo.win",
      "is_idn": false,
      "subdomain": null,
      "subdomain_last": null,
      "subdomain_root": null,
      "name": {
        "punycode": "cloudflaredemo",
        "unicode": "cloudflaredemo",
        "is_idn": false,
        "contains_letter": true,
        "contains_number": false,
        "contains_hyphen": false,
        "length": 14,
        "lang": "en",
        "keywords": [
          "cloudflare",
          "demo"
        ],
        "keyword_count": 2,
        "latinized": [],
        "contains_confusable": false
      },
      "domain": {
        "punycode": "cloudflaredemo.win",
        "unicode": "cloudflaredemo.win",
        "is_idn": false,
        "name": {
          "punycode": "cloudflaredemo",
          "unicode": "cloudflaredemo",
          "is_idn": false,
          "contains_letter": true,
          "contains_number": false,
          "contains_hyphen": false,
          "length": 14,
          "lang": "en",
          "keywords": [
            "cloudflare",
            "demo"
          ],
          "keyword_count": 2
        },
        "extension": {
          "punycode": "win",
          "unicode": "win",
          "is_idn": false
        },
        "extension_root": {
          "punycode": "win",
          "unicode": "win",
          "is_idn": false
        },
        "extension_sub": null,
        "extension_type": 1,
        "reserved": null,
        "premium": null,
        "registered": true,
        "whois": {
          "create_date": "2023-05-13T05:09:49Z",
          "update_date": "2026-02-17T12:01:01Z",
          "expiry_date": "2027-05-13T05:09:49Z",
          "registrar": "cloudflare, inc.",
          "registrant": {
            "name": "redacted for privacy",
            "organization": "cloudflare, inc.",
            "street": "redacted for privacy",
            "city": "redacted for privacy",
            "state": "ca",
            "postal_code": "redacted for privacy",
            "country": "us",
            "phone": "redacted for privacy",
            "email": null
          },
          "name_servers": [
            "thomas.ns.cloudflare.com",
            "vita.ns.cloudflare.com"
          ],
          "domain_status": [
            "clienttransferprohibited"
          ],
          "whois_server": "whois.cloudflare.com",
          "check_date": "2026-04-11T16:36:44Z"
        },
        "whois_normalized": {
          "registrant": {
            "organization": "cloudflareinc",
            "phone": null,
            "email": null,
            "email_fqdn_apex": null,
            "email_domain_apex": null
          }
        },
        "whois_last_check_date": "2026-04-11T16:36:44Z",
        "whois_create_date_historical": [
          "2023-05-13T05:09:49Z"
        ],
        "whois_last_change_date": "2026-04-11T14:26:02Z",
        "whois_registrant_email_historical": [
          "please query the rdds service of the registrar of record identified in this output for information on how to contact the registrant, admin, or tech contact of the queried domain name."
        ],
        "whois_privacy_enabled": true,
        "dns": {
          "a": {
            "update_date": "2026-08-12T08:45:42Z",
            "ip_addresses": []
          }
        },
        "dns_last_change_date": "2026-08-12T08:46:19Z",
        "ip_history": [],
        "ssl": null,
        "ssl_last_change_date": null
      },
      "type": 1,
      "subdomain_level_count": 0,
      "dns": {
        "a": {
          "update_date": "2026-08-12T08:45:42Z",
          "ip_addresses": []
        },
        "aaaa": {
          "update_date": "2026-08-12T08:45:42Z",
          "ip_addresses": []
        },
        "ns": {
          "update_date": "2026-08-12T08:45:42Z",
          "name_servers": [
            "thomas.ns.cloudflare.com",
            "vita.ns.cloudflare.com"
          ]
        },
        "mx": {
          "update_date": "2026-08-12T08:45:42Z",
          "mail_servers": []
        },
        "soa": {
          "update_date": "2026-08-12T08:45:42Z",
          "mnames": [
            "thomas.ns.cloudflare.com"
          ],
          "rnames": [
            "dns.cloudflare.com"
          ],
          "rname_emails": [
            "user@cloudflare.com"
          ]
        },
        "txt": {
          "update_date": "2026-08-12T08:45:42Z",
          "values": []
        },
        "cname": {
          "update_date": "2026-08-12T08:45:42Z",
          "values": []
        },
        "others": []
      },
      "dns_last_change_date": "2026-08-12T08:46:17Z",
      "ip_history": [],
      "ssl": null,
      "ssl_last_change_date": null,
      "webdata": {
        "connection_status": "not_resolved",
        "html": null,
        "http": null
      }
    }
  ]
}

Content-Type: application/json
ratelimit-limit: 1000
ratelimit-remaining: 998
ratelimit-reset: 1
x-ratelimit-limit-hour: 100000
x-ratelimit-limit-minute: 10000
x-ratelimit-limit-second: 1000
x-ratelimit-remaining-hour: 99965
x-ratelimit-remaining-minute: 9992
x-ratelimit-remaining-second: 998
deepinfo-request-id: 5f0c6a8e-1b2d-4c3e-9f4a-7b8c9d0e1f2a

Request

What this example sends. Every parameter is documented on Domain Search; the exact request is in the code panel.

Parameter	Value
`page_size`query	`25`
`filters.must[0].name`body	`domain.whois.registrant.organization`
`filters.must[0].type`body	`eq`
`filters.must[0].value`body	`cloudflare, inc.`

Reference updated September 26, 2026

Request

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