# Including Subdomains Adds subdomains delegated to ns1.google.com: 27,931 records instead of 4,782, such as hosts under webpkgcache.com and golang.org. Source: https://docs.deepinfo.com/reference/discovery/reverse-ns/examples/include-subdomains/ Last updated: 2026-09-24 --- `GET https://api.deepinfo.com/v1/discovery/reverse-ns?ordering=-punycode&ns=ns1.google.com&include_subdomains=true&page_size=25` Adds subdomains delegated to ns1.google.com: 27,931 records instead of 4,782, such as hosts under webpkgcache.com and golang.org. Example 2 of 2 in **Options** · [Reverse NS Examples](/reference/discovery/reverse-ns/examples/) · endpoint: [Reverse NS](/reference/discovery/reverse-ns/) Tags: `param` `include_subdomains` · `param` `ordering` · `param` `ns` · `value` `true` · `value` `-punycode` · `value` `ns1.google.com` By default the API returns registrable domains only (`type: 1`). `include_subdomains=true` adds subdomains (`type: 2`) whose own NS record names the name server. The total grows from 4,782 to 27,931; the difference is subdomains. This example sorts by name in reverse (`ordering=-punycode`), which puts subdomains among the first records: a host under `webpkgcache.com` (`type: 2`), `zyvwtasyon.com` (`type: 1`) and a host under `golang.org` (`type: 2`), all with `ns1.google.com` in their NS record. In the response, look at `result_count`, `results[].type`, `results[].domain.punycode` and `results[].dns.ns.name_servers`. ## Request | Parameter | In | Value | |---|---|---| | `ordering` | query | `-punycode` | | `ns` | query | `ns1.google.com` | | `include_subdomains` | query | `true` | | `page_size` | query | `25` | ```bash curl 'https://api.deepinfo.com/v1/discovery/reverse-ns?ordering=-punycode&ns=ns1.google.com&include_subdomains=true&page_size=25' \ -H 'apikey: YOUR_API_KEY' \ -H 'Accept: application/json' ``` ## Response ### 200 · OK > Shortened for this page: results: 3 of 25 shown; results[].name.keywords: first 10 items; results[].ssl.fqdns: first 10 items; results[].ssl.extensions.subject_alt_name.dns_names: first 10 items; results[].domain.ip_history: first 10 items; results[].ip_history: first 10 items `Content-Type: application/json` · `ratelimit-limit: 1` · `ratelimit-remaining: 0` · `ratelimit-reset: 1` · `x-ratelimit-limit-second: 1` · `x-ratelimit-remaining-second: 0` · `deepinfo-request-id: 5f0c6a8e-1b2d-4c3e-9f4a-7b8c9d0e1f2a` ```json { "page": 1, "page_size": 25, "result_count": 27931, "results": [ { "punycode": "zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq.webpkgcache.com", "unicode": "zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq.webpkgcache.com", "is_idn": false, "subdomain": { "punycode": "zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq", "unicode": "zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq", "is_idn": false, "contains_letter": true, "contains_number": true, "contains_hyphen": false, "length": 52 }, "subdomain_last": { "punycode": "zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq", "unicode": "zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq", "is_idn": false, "contains_letter": true, "contains_number": true, "contains_hyphen": false, "length": 52 }, "subdomain_root": { "punycode": "zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq", "unicode": "zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq", "is_idn": false, "contains_letter": true, "contains_number": true, "contains_hyphen": false, "length": 52 }, "name": { "punycode": "zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq.webpkgcache", "unicode": "zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq.webpkgcache", "is_idn": false, "contains_letter": true, "contains_number": true, "contains_hyphen": false, "length": 63, "lang": "pl", "keywords": [ "zzo", "yz", "iv", "vy", "mrd", "wd", "du", "hl", "io", "um" ], "keyword_count": 20, "latinized": [], "contains_confusable": false }, "domain": { "punycode": "webpkgcache.com", "unicode": "webpkgcache.com", "is_idn": false, "name": { "punycode": "webpkgcache", "unicode": "webpkgcache", "is_idn": false, "contains_letter": true, "contains_number": false, "contains_hyphen": false, "length": 11, "lang": "en", "keywords": [ "web", "pkg", "cache" ], "keyword_count": 3 }, "extension": { "punycode": "com", "unicode": "com", "is_idn": false }, "extension_root": { "punycode": "com", "unicode": "com", "is_idn": false }, "extension_sub": null, "extension_type": 1, "reserved": null, "premium": null, "registered": true, "whois": { "create_date": "2019-10-08T18:51:48Z", "update_date": "2025-09-06T10:12:38Z", "expiry_date": "2026-10-08T18:51:48Z", "registrar": "markmonitor inc.", "registrant": { "name": "google llc", "organization": "google llc", "street": null, "city": null, "state": null, "postal_code": null, "country": "us", "phone": null, "email": "select request email form at https://domains.markmonitor.com/whois/webpkgcache.com" }, "name_servers": [ "ns1.google.com", "ns2.google.com", "ns3.google.com", "ns4.google.com" ], "domain_status": [ "clientdeleteprohibited", "clienttransferprohibited", "clientupdateprohibited" ], "whois_server": "whois.markmonitor.com", "check_date": "2026-07-25T14:44:14Z" }, "whois_normalized": { "registrant": { "organization": "googlellc", "phone": null, "email": null, "email_fqdn_apex": null, "email_domain_apex": null } }, "whois_last_check_date": "2026-07-25T14:44:14Z", "whois_create_date_historical": null, "whois_last_change_date": "2025-09-10T22:01:34Z", "whois_registrant_email_historical": null, "whois_privacy_enabled": true, "dns": { "a": { "update_date": "2026-08-24T10:02:37Z", "ip_addresses": [ "64.233.179.132" ] } }, "dns_last_change_date": "2026-08-25T09:31:37Z", "ip_history": null, "ssl": { "validity": { "start_date": "2026-07-20T18:07:26Z", "end_date": "2026-10-12T18:07:25Z" }, "serial_number": "98402386337953840510109788887295224926", "check_date": "2026-08-19T01:11:21Z" }, "ssl_last_change_date": "2026-08-14T11:44:18Z" }, "type": 2, "subdomain_level_count": 1, "dns": { "a": { "update_date": "2026-08-21T14:51:22Z", "ip_addresses": [ "74.125.201.132" ] }, "aaaa": { "update_date": "2026-08-21T14:51:22Z", "ip_addresses": [ "2607:f8b0:4001:c01::84" ] }, "ns": { "update_date": "2026-08-21T14:51:22Z", "name_servers": [ "ns1.google.com", "ns2.google.com", "ns3.google.com", "ns4.google.com" ] }, "mx": { "update_date": "2026-08-21T14:51:22Z", "mail_servers": [] }, "soa": { "update_date": "2026-08-21T14:51:22Z", "mnames": [ "ns1.google.com" ], "rnames": [ "dns-admin.google.com" ], "rname_emails": [ "user@google.com" ] }, "txt": { "update_date": "2026-08-21T14:51:22Z", "values": [ "\"v=spf1 ?all\"" ] }, "cname": { "update_date": "2026-08-21T14:51:22Z", "values": [ "webpkgcache.com." ] }, "others": [] }, "dns_last_change_date": "2026-08-21T14:51:23Z", "ip_history": [ "74.125.201.132" ], "ssl": { "tags": [ "dla" ], "fqdns": [ "abc.xyz", "adsense.com", "adsensecustomsearchads.com", "adsenseformobileapps.com", "advertisercommunity.com", "aiplatform-notebook.cloud.google.com", "aiplatform-training.cloud.google.com", "ampcache.com", "ampproject.com", "ampproject.net" ], "version": 3, "serial_number": "106192783215350013198649777591075298532", "fingerprint": { "sha256": "7e872b3533935c631de06c1fd8bfd756cf120e9ee2a4b5442908153713dc0d86", "sha1": 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"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": [ "2026-08-05T21:43:15Z" ], "subject_alt_name": { "dns_names": [ "misc-sni.google.com", "*.aiplatform-notebook.cloud.google.com", "*.aiplatform-training.cloud.google.com", "*.backupdr.cloud.google.com", "*.backupdr.cloud.google", "*.backupdr-staging.cloud.google.com", "*.backupdr-staging.cloud.google", "*.backupdr-autopush.cloud.google.com", "*.backupdr-autopush.cloud.google", "*.backupdr-dev.cloud.google.com" ] }, "subject_key_id": "P76kMItJWe4fnUBhb+V68/HjlW0=" }, "check_date": "2026-08-26T07:29:57Z" }, "ssl_last_change_date": "2026-08-26T07:30:29Z", "webdata": { "connection_status": "success", "html": { "source_code_hash": "23926e9185d8d43c02807a838ffb373cc1977726094a4e46807c66ada9dd7660" }, "http": { "status_code_first": 404, "status_code_last": 404, "redirection_history": [ { "url": "http://zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq.webpkgcache.com/", "status_code": 404 } ], "external_redirection": null, "final_url": "http://zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq.webpkgcache.com/", "final_fqdn": "zzoyzivvymrd2wddu7hl3c7o5ioum5k7dnpl7zmayl7soe3iunrq.webpkgcache.com", "final_domain": "webpkgcache.com", "headers": { "others": [ { "name": "date", "value": "Fri, 21 Aug 2026 14:51:52 GMT" }, { "name": "content_length", "value": "1561" } ], "access_control_allow_headers": null, "access_control_allow_methods": null, "access_control_allow_origin": "*", "cache_control": null, "clear_site_data": null, "content_encoding": null, "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": "cross-origin", "expect_ct": null, "feature_policy": null, "last_modified": null, "permission_policy": null, "referrer_policy": null, "server": "sffe", "set_cookie": null, "strict_transport_security": null, "x_content_type_options": "nosniff", "x_download_options": null, "x_frame_options": null, "x_permitted_cross_domain_policies": null, "x_powered_by": null, "x_xss_protection": "0" }, "cookies": [] } } }, { "punycode": "zyvwtasyon.com", "unicode": "zyvwtasyon.com", "is_idn": false, "subdomain": null, "subdomain_last": null, "subdomain_root": null, "name": { "punycode": "zyvwtasyon", "unicode": "zyvwtasyon", "is_idn": false, "contains_letter": true, "contains_number": false, "contains_hyphen": false, "length": 10, "lang": "no", "keywords": [ "zy", "vw", "tas", "yon" ], "keyword_count": 4, "latinized": [], "contains_confusable": false }, "domain": { "punycode": "zyvwtasyon.com", "unicode": "zyvwtasyon.com", "is_idn": false, "name": { "punycode": "zyvwtasyon", "unicode": "zyvwtasyon", "is_idn": false, "contains_letter": true, "contains_number": false, "contains_hyphen": false, "length": 10, "lang": "no", "keywords": [ "zy", "vw", "tas", "yon" ], "keyword_count": 4 }, "extension": { "punycode": "com", "unicode": "com", "is_idn": false }, "extension_root": { "punycode": "com", "unicode": "com", "is_idn": false }, "extension_sub": null, "extension_type": 1, "reserved": null, "premium": null, "registered": true, "whois": { "create_date": "2017-06-06T20:21:31Z", "update_date": "2026-05-05T10:43:57Z", "expiry_date": "2027-06-06T20:21:31Z", "registrar": "markmonitor inc.", "registrant": { "name": "domain administrator", "organization": "dnstination inc.", "street": "REDACTED FOR PRIVACY", "city": "san francisco", "state": "ca", "postal_code": "REDACTED FOR PRIVACY", "country": "us", "phone": "REDACTED FOR PRIVACY", "email": "REDACTED FOR PRIVACY" }, "name_servers": [ "ns1.google.com", "ns2.google.com", "ns3.google.com", "ns4.google.com" ], "domain_status": [ "clientdeleteprohibited", "clienttransferprohibited", 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], "rnames": [ "dns-admin.google.com" ], "rname_emails": [ "user@google.com" ] }, "txt": { "update_date": "2026-09-21T06:25:17Z", "values": [ "\"v=spf1 -all\"" ] }, "cname": { "update_date": "2026-09-21T06:25:17Z", "values": [] }, "others": [] }, "dns_last_change_date": "2026-09-21T06:26:45Z", "ip_history": [ "108.177.111.100", "108.177.111.101", "108.177.111.102", "108.177.111.113", "108.177.111.138", "108.177.111.139", "172.217.212.100", "172.217.212.101", "172.217.212.102", "172.217.212.113" ], "ssl": { "tags": [ "dla" ], "fqdns": [ "00hrf5vjtk.com", "01seifw7uv.com", "08jjhe3a9g.com", "098zvqavz8.com", "0a9v377tsx.com", "0dscgyp5vm.com", "0emm.com", "0emn.com", "0enm.com", "0f7tzjkso5.com" ], "version": 3, "serial_number": "260290956209851394384494217035050308854", "fingerprint": { "sha256": "4f5eaf5b2724e6057d53246e6788a7a88989c40f73c7535050da48ccf6a951fc", "sha1": "92018478846213011dafa0496186fc4f113abc97", "md5": "d0b7fbf58dc69856033baf90debd1c6c" }, "validity": { "start_date": 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"key_agreement": false, "data_encipherment": false, "key_encipherment": false, "key_cert_sign": false, "crl_sign": false }, "signed_certificate_timestamps": [ "2026-07-20T19:10:48Z" ], "subject_alt_name": { "dns_names": [ "*.0emm.com", "00hrf5vjtk.com", "*.00hrf5vjtk.com", "01seifw7uv.com", "*.01seifw7uv.com", "08jjhe3a9g.com", "*.08jjhe3a9g.com", "098zvqavz8.com", "*.098zvqavz8.com", "0a9v377tsx.com" ] }, "subject_key_id": "XL/FjJNvu2/Tx5fT8K5j7mJqBbs=" }, "check_date": "2026-08-19T14:35:06Z" }, "ssl_last_change_date": "2026-08-14T17:56:58Z", "webdata": { "connection_status": "success", "html": { "source_code_hash": "23926e9185d8d43c02807a838ffb373cc1977726094a4e46807c66ada9dd7660" }, "http": { "status_code_first": 404, "status_code_last": 404, "redirection_history": [ { "url": "http://zyvwtasyon.com/", "status_code": 404 } ], "external_redirection": null, "final_url": "http://zyvwtasyon.com/", "final_fqdn": "zyvwtasyon.com", "final_domain": "zyvwtasyon.com", "headers": { "others": [ 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