# First Registered Before 2001 Matches records whose domain.whois_create_date_historical is on or before 2000-12-31 (2000-12-31T23:59:59Z). Source: https://docs.deepinfo.com/reference/discovery/domain-search/examples/domain-whois-create-date-historical/ Last updated: 2026-09-26 --- `POST https://api.deepinfo.com/v1/discovery/domain-search?page_size=25` Example 21 of 24 in **Filters › WHOIS** · [Domain Search Examples](/reference/discovery/domain-search/examples/) · endpoint: [Domain Search](/reference/discovery/domain-search/) Tags: `field` `domain.whois_create_date_historical` · `operator` `lte` Matches records whose `domain.whois_create_date_historical` is on or before 2000-12-31 (`2000-12-31T23:59:59Z`). `whois_create_date_historical` keeps every creation date seen for the domain, so this also finds domains that were registered before 2001 and later re-registered. In the response, look at `results[].domain.whois_create_date_historical`. ## Request | Parameter | In | Value | |---|---|---| | `page_size` | query | `25` | | `filters.must[0].name` | body | `domain.whois_create_date_historical` | | `filters.must[0].type` | body | `lte` | | `filters.must[0].value` | body | `2000-12-31T23:59:59Z` | ```bash 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_create_date_historical", "type": "lte", "value": "2000-12-31T23:59:59Z" } ] } }' ``` ## Response ### 200 · OK > Shortened for this page: results: 3 of 25 shown; results[].webdata.http.headers.others: first 10 items; results[].domain.ip_history: first 10 items; results[].ip_history: first 10 items `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: 99950` · `x-ratelimit-remaining-minute: 9977` · `x-ratelimit-remaining-second: 998` · `deepinfo-request-id: 5f0c6a8e-1b2d-4c3e-9f4a-7b8c9d0e1f2a` ```json { "page": 1, "page_size": 25, "result_count": 16669641, "results": [ { "punycode": "laksevag-elektro.no", "unicode": "laksevag-elektro.no", "is_idn": false, "subdomain": null, "subdomain_last": null, "subdomain_root": null, "name": { "punycode": "laksevag-elektro", "unicode": "laksevag-elektro", "is_idn": false, "contains_letter": true, "contains_number": false, "contains_hyphen": true, "length": 16, "lang": "de", "keywords": [ "laks", "evag", "elektro" ], "keyword_count": 3, "latinized": [], "contains_confusable": false }, "domain": { "punycode": "laksevag-elektro.no", "unicode": "laksevag-elektro.no", "is_idn": false, "name": { "punycode": "laksevag-elektro", "unicode": "laksevag-elektro", "is_idn": 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"whois_create_date_historical": [ "1999-09-13T00:00:00Z", "1999-09-13T08:42:34Z" ], "whois_last_change_date": "2026-03-15T11:01:15Z", "whois_registrant_email_historical": [ "user@nominet.uk" ], "whois_privacy_enabled": false, "dns": { "a": { "update_date": "2026-09-05T23:22:18Z", "ip_addresses": [ "87.106.74.114" ] } }, "dns_last_change_date": "2026-05-01T23:27:06Z", "ip_history": [ "178.79.143.185", "151.101.130.159", "87.106.74.114" ], "ssl": { "validity": { "start_date": "2026-07-31T17:50:40Z", "end_date": "2026-10-29T17:50:39Z" }, "serial_number": "560129010483900621312469133224103918950930", "check_date": "2026-09-16T20:38:08Z" }, "ssl_last_change_date": "2026-09-16T20:41:05Z" }, "type": 1, "subdomain_level_count": 0, "dns": { "a": { "update_date": "2026-09-05T23:22:18Z", "ip_addresses": [ "87.106.74.114" ] }, "aaaa": { "update_date": "2026-09-05T23:22:18Z", "ip_addresses": [] }, "ns": { "update_date": "2026-09-05T23:22:18Z", "name_servers": [ "ns1.livedns.co.uk", "ns2.livedns.co.uk", "ns3.livedns.co.uk" ] }, "mx": { "update_date": "2026-09-05T23:22:18Z", "mail_servers": [ "bypass-co-uk0e.mail.protection.outlook.com" ] }, "soa": { "update_date": "2026-09-05T23:22:18Z", "mnames": [ "ns1.livedns.co.uk" ], "rnames": [ "administrator.by-pass.co.uk" ], "rname_emails": [ "user@by-pass.co.uk" ] }, "txt": { "update_date": "2026-09-05T23:22:18Z", "values": [ "\"-v=spf1 include:spf.protection.outlook.com -all\"", "\"v=spf1 include:spf.protection.outlook.com -all\"" ] }, "cname": { "update_date": "2026-09-05T23:22:18Z", "values": [] }, "others": [] }, "dns_last_change_date": "2026-05-01T23:27:03Z", "ip_history": [ "178.79.143.185", "151.101.130.159", "87.106.74.114" ], "ssl": { "tags": [ "dla" ], "fqdns": [ "by-pass.co.uk", "www.by-pass.co.uk" ], "version": 3, "serial_number": "560129010483900621312469133224103918950930", "fingerprint": { "sha256": "37ec726f1658b69fa2b42d4a70504d0be6139a1792d0c8dc2f81c401a523d4f3", "sha1": "532fd592d2714e8913cfb44b48f6812b1afa1f23", "md5": "012904dd2746d8e6110fd6495cbb59cd" }, "validity": { "start_date": "2026-07-31T17:50:40Z", "end_date": "2026-10-29T17:50:39Z", "length": 7775999 }, "signature": { "is_self_signed": false, "is_valid": true, "value": "ewEjKSVaJtKiERvad9O1tsia5r9LEtc8dH+TIN5BakN5rysiQVcLyosT0wQeLwEq9agm5CL8ulwRGm+HwAKMgDJ+gzseliVz/c0m6n6dPaRtxqX6LS8dr9fqkDEQsfS8cSHRVo9Wa489B/v5c1jlq/+a1phZ7diO/nhafo4XFaVhkLQnH/KRughWSyfT72i0uz51IV/oAdZbW6oTVkRmpJt9NFAqftN9/HZtg8DNjtqA0yWHSGqfWT8h+oPlDtGr9I8BTNnzpE3SVep5QuCoIDJEI8y9EH+HQPQBW6BmuV+I7R+tmQhjzMUow0hfRpGVeuTg+/ivEG5N0UkhfBKaAA==", "algorithm": { "oid": "1.2.840.113549.1.1.11", "name": "sha256" } }, "issuer_dn": "CN=YR1,O=Let's Encrypt,C=US", "issuer": { "common_name": "YR1", "country": "US", "state": null, "locality": null, "organization": "Let's Encrypt", "organizational_unit": null }, "subject_dn": "CN=by-pass.co.uk", "subject": { "common_name": "by-pass.co.uk", "country": null, "state": null, "locality": null, "organization": null, "organizational_unit": null }, "extensions": { "authority_key_id": "Hy81vkYUgs1Asa55LFV4+vfUaPs=", "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": true, "key_cert_sign": false, "crl_sign": false }, "signed_certificate_timestamps": [ "2026-07-31T18:49:10Z" ], "subject_alt_name": { "dns_names": [ "by-pass.co.uk", "www.by-pass.co.uk" ] }, "subject_key_id": "dmZzJqVY52fBER7s2POc8tM4Icw=" }, "check_date": "2026-09-16T20:38:08Z" }, "ssl_last_change_date": "2026-09-16T20:41:03Z", "webdata": { "connection_status": "success", "html": { "source_code_hash": "4c5e3c5518f7365ebcb800b6e0b3570e44ea787b8ed2967d53f8dd516161ffcf" }, "http": { "status_code_first": 301, "status_code_last": 200, "redirection_history": [ { "url": "http://by-pass.co.uk/", "status_code": 301 }, { "url": "https://by-pass.co.uk/", "status_code": 200 } ], "external_redirection": false, "final_url": "https://by-pass.co.uk/", "final_fqdn": "by-pass.co.uk", "final_domain": "by-pass.co.uk", "headers": { "others": [ { "name": "date", "value": "Mon, 27 Jul 2026 16:39:50 GMT" }, { "name": "content_length", "value": "19939" }, { "name": "connection", "value": "keep-alive" }, { "name": "permissions_policy", "value": "private-state-token-redemption=(self \"https://www.google.com\" \"https://www.gstatic.com\" \"https://recaptcha.net\" \"https://challenges.cloudflare.com\" \"https://hcaptcha.com\"), private-state-token-issuance=(self \"https://www.google.com\" \"https://www.gstatic.com\" \"https://recaptcha.net\" \"https://challenges.cloudflare.com\" \"https://hcaptcha.com\")" }, { "name": "link", "value": "; rel=\"https://api.w.org/\", ; rel=\"alternate\"; title=\"JSON\"; type=\"application/json\", ; rel=shortlink" }, { "name": "vary", "value": "Accept-Encoding" }, { "name": "x_cache_status", "value": "MISS" } ], "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; 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": null, "server": "nginx", "set_cookie": null, "strict_transport_security": null, "x_content_type_options": null, "x_download_options": null, "x_frame_options": null, "x_permitted_cross_domain_policies": null, "x_powered_by": "PHP/8.3.32, PleskLin", "x_xss_protection": null }, "cookies": [] } } } ] } ``` ## Related Examples - [Domains Expiring by the End of 2026](/reference/discovery/domain-search/examples/domain-whois-expiry-date/) - [Short Subdomains (Up to 3 Characters)](/reference/discovery/domain-search/examples/subdomain-length/) - [Domain Certificate Expiring by October 2026](/reference/discovery/domain-search/examples/domain-ssl-validity-end-date/) - [Short Domain Names (Up to 5 Characters)](/reference/discovery/domain-search/examples/domain-name-length/) - [Certificate Expiring by October 2026](/reference/discovery/domain-search/examples/ssl-validity-end-date/) - [Certificates Valid for 90 Days or Less](/reference/discovery/domain-search/examples/ssl-validity-length/)