# Name Server Changes in WHOIS History The WHOIS history of github.com: 14 versions; in mid-2020 its name servers moved from AWS and Dyn to AWS and NS1. Source: https://docs.deepinfo.com/reference/lookup/whois-history/examples/github/ Last updated: 2026-09-24 --- `GET https://api.deepinfo.com/v1/analyze/whois-history?domain=github.com` The WHOIS history of github.com: 14 versions; in mid-2020 its name servers moved from AWS and Dyn to AWS and NS1. Example 3 of 4 · [WHOIS History Examples](/reference/lookup/whois-history/examples/) · endpoint: [WHOIS History](/reference/lookup/whois-history/) Tags: `param` `domain` · `value` `github.com` Asks for the WHOIS history of `github.com`. The API returns 14 versions (the first 10 are shown). The oldest shown, from June 2020, trace a name server migration within four weeks: AWS only (June 23), AWS plus Dyn (June 24), NS1, AWS and Dyn (July 18), and NS1 plus AWS (July 21), the set every later version keeps. The later versions differ mainly in their expiry dates, renewed every two years up to October 9, 2028. ## Request | Parameter | In | Value | |---|---|---| | `domain` | query | `github.com` | ```bash curl 'https://api.deepinfo.com/v1/analyze/whois-history?domain=github.com' \ -H 'apikey: YOUR_API_KEY' \ -H 'Accept: application/json' ``` ## Response ### 200 · OK > Shortened for this page: items: 10 of 14 shown; [].check_dates: 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 [ { "whois": { "check_date": "2026-09-24T06:27:11Z", "create_date": "2007-10-09T18:20:50Z", "update_date": "2026-09-07T09:22:52Z", "expiry_date": "2028-10-09T18:20:50Z", "registrar": "markmonitor inc.", "registrant": { "name": "REDACTED FOR PRIVACY", "organization": "github, inc.", "street": null, "city": null, "state": null, "postal_code": null, "country": "us", "phone": null, "email": "REDACTED FOR PRIVACY" }, "name_servers": [ "dns1.p08.nsone.net", "dns2.p08.nsone.net", "dns3.p08.nsone.net", "dns4.p08.nsone.net", "ns-1283.awsdns-32.org", "ns-1707.awsdns-21.co.uk", "ns-421.awsdns-52.com", "ns-520.awsdns-01.net" ], "domain_status": [ "clientdeleteprohibited", "clienttransferprohibited", "clientupdateprohibited" ], "whois_server": "whois.markmonitor.com" }, "check_dates": [ "2026-09-07T12:52:47Z", "2026-09-08T04:06:54Z", "2026-09-09T13:03:47Z", "2026-09-10T17:01:20Z", "2026-09-11T17:06:58Z", "2026-09-12T19:51:20Z", "2026-09-14T05:19:49Z", "2026-09-15T12:21:43Z", "2026-09-16T19:34:33Z", "2026-09-18T11:02:27Z" ] }, { "whois": { "check_date": "2026-09-06T18:10:53Z", "create_date": "2007-10-09T18:20:50Z", "update_date": "2024-09-07T09:16:32Z", "expiry_date": "2026-10-09T18:20:50Z", "registrar": "markmonitor inc.", "registrant": { "name": "REDACTED FOR PRIVACY", "organization": "github, inc.", "street": null, "city": null, "state": null, "postal_code": null, "country": "us", "phone": null, "email": "REDACTED FOR PRIVACY" }, "name_servers": [ "dns1.p08.nsone.net", "dns2.p08.nsone.net", "dns3.p08.nsone.net", "dns4.p08.nsone.net", "ns-1283.awsdns-32.org", "ns-1707.awsdns-21.co.uk", "ns-421.awsdns-52.com", "ns-520.awsdns-01.net" ], "domain_status": [ "clientdeleteprohibited", "clienttransferprohibited", "clientupdateprohibited" ], "whois_server": "whois.markmonitor.com" }, "check_dates": [ "2025-09-17T02:34:54Z", "2025-10-12T20:00:26Z", "2026-01-14T14:52:18Z", "2026-03-07T06:31:46Z", "2026-03-28T03:07:16Z", "2026-03-30T18:51:52Z", "2026-04-08T19:48:28Z", "2026-04-28T20:45:17Z", "2026-04-30T01:26:16Z", "2026-04-30T20:00:28Z" ] }, { "whois": { "check_date": "2025-03-10T16:28:53Z", "create_date": "2007-10-09T18:20:50Z", "update_date": "2024-09-07T09:16:32Z", "expiry_date": "2026-10-09T18:20:50Z", "registrar": "markmonitor inc.", "registrant": { "name": "REDACTED FOR PRIVACY", "organization": "github, inc.", "street": null, "city": null, "state": "ca", "postal_code": null, "country": "us", "phone": null, "email": "REDACTED FOR PRIVACY" }, "name_servers": [ "dns1.p08.nsone.net", "dns2.p08.nsone.net", "dns3.p08.nsone.net", "dns4.p08.nsone.net", "ns-1283.awsdns-32.org", "ns-1707.awsdns-21.co.uk", "ns-421.awsdns-52.com", "ns-520.awsdns-01.net" ], "domain_status": [ "clientdeleteprohibited", "clienttransferprohibited", "clientupdateprohibited" ], "whois_server": "whois.markmonitor.com" }, "check_dates": [ "2024-09-09T22:24:17Z", "2024-11-08T09:16:33Z", "2024-12-11T11:35:53Z", "2025-01-16T11:51:01Z", "2025-03-10T16:28:53Z" ] }, { "whois": { "check_date": "2024-07-27T01:47:49Z", "create_date": "2007-10-09T18:20:50Z", "update_date": "2022-09-07T09:10:44Z", "expiry_date": "2024-10-09T18:20:50Z", "registrar": "markmonitor inc.", "registrant": { "name": "REDACTED FOR PRIVACY", "organization": "github, inc.", "street": null, "city": null, "state": "ca", "postal_code": null, "country": "us", "phone": null, "email": "REDACTED FOR PRIVACY" }, "name_servers": [ "dns1.p08.nsone.net", "dns2.p08.nsone.net", "dns3.p08.nsone.net", "dns4.p08.nsone.net", "ns-1283.awsdns-32.org", "ns-1707.awsdns-21.co.uk", "ns-421.awsdns-52.com", "ns-520.awsdns-01.net" ], "domain_status": [ "clientdeleteprohibited", "clienttransferprohibited", "clientupdateprohibited" ], "whois_server": "whois.markmonitor.com" }, "check_dates": [ "2023-02-23T15:47:35Z", "2023-02-23T18:46:24Z", "2023-02-24T03:56:57Z", "2023-02-24T14:45:36Z", "2023-02-25T00:57:03Z", "2023-02-25T11:35:10Z", "2023-02-26T06:54:00Z", "2023-02-26T12:17:54Z", "2023-02-26T19:47:59Z", "2023-02-27T05:37:54Z" ] }, { "whois": { "check_date": "2023-07-14T08:14:18Z", "create_date": "2007-10-09T18:20:50Z", "update_date": "2022-09-07T09:10:44Z", "expiry_date": "2024-10-09T18:20:50Z", "registrar": "markmonitor inc.", "registrant": { "name": null, "organization": null, "street": null, "city": null, "state": null, "postal_code": null, "country": null, "phone": null, "email": null }, "name_servers": [ "dns1.p08.nsone.net", "dns2.p08.nsone.net", "dns3.p08.nsone.net", "dns4.p08.nsone.net", "ns-1283.awsdns-32.org", "ns-1707.awsdns-21.co.uk", "ns-421.awsdns-52.com", "ns-520.awsdns-01.net" ], "domain_status": [ "clientdeleteprohibited", "clienttransferprohibited", "clientupdateprohibited" ], "whois_server": "whois.markmonitor.com" }, "check_dates": [ "2022-10-03T23:31:11Z", "2022-11-14T19:02:42Z", "2022-11-16T21:21:56Z", "2022-11-17T16:01:01Z", "2022-11-18T09:29:28Z", "2022-11-19T10:06:46Z", "2022-11-20T10:08:43Z", "2022-11-21T09:26:06Z", "2022-11-22T09:54:28Z", "2022-11-23T10:29:11Z" ] }, { "whois": { "check_date": "2022-08-20T12:50:53Z", "create_date": "2007-10-09T18:20:50Z", "update_date": "2020-09-08T09:18:27Z", "expiry_date": "2022-10-09T18:20:50Z", "registrar": "markmonitor inc.", "registrant": { "name": "REDACTED FOR PRIVACY", "organization": "github, inc.", "street": null, "city": null, "state": "ca", "postal_code": null, "country": "us", "phone": null, "email": "REDACTED FOR PRIVACY" }, "name_servers": [ "dns1.p08.nsone.net", "dns2.p08.nsone.net", "dns3.p08.nsone.net", "dns4.p08.nsone.net", "ns-1283.awsdns-32.org", "ns-1707.awsdns-21.co.uk", "ns-421.awsdns-52.com", "ns-520.awsdns-01.net" ], "domain_status": [ "clientdeleteprohibited", "clienttransferprohibited", "clientupdateprohibited" ], "whois_server": "whois.markmonitor.com" }, "check_dates": [ "2020-09-25T14:45:19Z", "2020-10-09T17:00:32Z", "2020-10-11T04:21:37Z", "2020-10-15T12:04:17Z", "2020-10-19T08:52:32Z", "2020-10-24T23:31:42Z", "2021-01-03T21:07:13Z", "2021-01-09T06:11:54Z", "2021-01-19T17:23:04Z", "2021-03-07T00:20:43Z" ] }, { "whois": { "check_date": "2020-07-21T13:10:25Z", "create_date": "2007-10-09T18:20:50Z", "update_date": "2020-07-20T22:28:24Z", "expiry_date": "2020-10-09T18:20:50Z", "registrar": "markmonitor", "registrant": { "name": "REDACTED FOR PRIVACY", "organization": "github, inc.", "street": null, "city": null, "state": "ca", "postal_code": null, "country": "us", "phone": null, "email": "REDACTED FOR PRIVACY" }, "name_servers": [ "dns1.p08.nsone.net", "dns2.p08.nsone.net", "dns3.p08.nsone.net", "dns4.p08.nsone.net", "ns-1283.awsdns-32.org", "ns-1707.awsdns-21.co.uk", "ns-421.awsdns-52.com", "ns-520.awsdns-01.net" ], "domain_status": [ "clientdeleteprohibited", "clienttransferprohibited", "clientupdateprohibited" ], "whois_server": "whois.markmonitor.com" }, "check_dates": [ "2020-07-21T13:10:25Z" ] }, { "whois": { "check_date": "2020-07-18T12:01:51Z", "create_date": "2007-10-09T18:20:50Z", "update_date": "2020-07-17T23:03:47Z", "expiry_date": "2020-10-09T18:20:50Z", "registrar": "markmonitor", "registrant": { "name": "REDACTED FOR PRIVACY", "organization": "github, inc.", "street": null, "city": null, "state": "ca", "postal_code": null, "country": "us", "phone": null, "email": "REDACTED FOR PRIVACY" }, "name_servers": [ "dns1.p08.nsone.net", "ns-1283.awsdns-32.org", "ns-1707.awsdns-21.co.uk", "ns-421.awsdns-52.com", "ns-520.awsdns-01.net", "ns2.p16.dynect.net", "ns3.p16.dynect.net", "ns4.p16.dynect.net" ], "domain_status": [ "clientdeleteprohibited", "clienttransferprohibited", "clientupdateprohibited" ], "whois_server": "whois.markmonitor.com" }, "check_dates": [ "2020-07-18T12:01:51Z" ] }, { "whois": { "check_date": "2020-06-24T01:09:49Z", "create_date": "2007-10-09T18:20:50Z", "update_date": "2020-06-23T14:04:50Z", "expiry_date": "2020-10-09T18:20:50Z", "registrar": "markmonitor", "registrant": { "name": "REDACTED FOR PRIVACY", "organization": "github, inc.", "street": null, "city": null, "state": "ca", "postal_code": null, "country": "us", "phone": null, "email": "REDACTED FOR PRIVACY" }, "name_servers": [ "ns-1283.awsdns-32.org", "ns-1707.awsdns-21.co.uk", "ns-421.awsdns-52.com", "ns-520.awsdns-01.net", "ns1.p16.dynect.net", "ns2.p16.dynect.net", "ns3.p16.dynect.net", "ns4.p16.dynect.net" ], "domain_status": [ "clientdeleteprohibited", "clienttransferprohibited", "clientupdateprohibited" ], "whois_server": "whois.markmonitor.com" }, "check_dates": [ "2020-06-24T01:09:49Z" ] }, { "whois": { "check_date": "2020-06-23T12:42:17Z", "create_date": "2007-10-09T18:20:50Z", "update_date": "2020-06-22T19:26:23Z", "expiry_date": "2020-10-09T18:20:50Z", "registrar": "markmonitor", "registrant": { "name": "REDACTED FOR PRIVACY", "organization": "github, inc.", "street": null, "city": null, "state": "ca", "postal_code": null, "country": "us", "phone": null, "email": "REDACTED FOR PRIVACY" }, "name_servers": [ "ns-1283.awsdns-32.org", "ns-1707.awsdns-21.co.uk", "ns-421.awsdns-52.com", "ns-520.awsdns-01.net" ], "domain_status": [ "clientdeleteprohibited", "clienttransferprohibited", "clientupdateprohibited" ], "whois_server": "whois.markmonitor.com" }, "check_dates": [ "2020-06-23T12:42:17Z" ] } ] ``` ## Related Examples - [Registrant Renamed: Google Inc. to Google LLC](/reference/lookup/whois-history/examples/google/) - [Yearly Renewals and a Name Server Change](/reference/lookup/whois-history/examples/example/) - [WHOIS History of deepinfo.com](/reference/lookup/whois-history/examples/deepinfo/)