First Seen before tracking · First Import Jan 31, 2023 · Last Import Nov 07, 2026 · Type sponsored · Operator Cybersecurity and Infrastructure Security Agency · DNSSEC Signed since before Jan 31, 2023
Also indexed as: Domain
| Name | First Seen | Last Seen | Domains |
|---|---|---|---|
| a.gov-servers.net | Before Apr 11, 2011 | Nov 09, 2023 | 0 |
| b.gov-servers.net | Before Apr 11, 2011 | Nov 09, 2023 | 0 |
| c.gov-servers.net | May 13, 2017 | Nov 09, 2023 | 0 |
| d.gov-servers.net | May 13, 2017 | Nov 09, 2023 | 0 |
| Primary NS | a.ns.gov |
|---|---|
| Mailbox | dns.cloudflare.com. |
| Serial | 1794018305 |
| Refresh | 1 hour |
| Retry | 15 minutes |
| Expire | 7 days |
| Minimum TTL | 5 minutes |
| Serial | First Seen | Last Seen |
|---|---|---|
| 1793931916 | Nov 06, 2026 | Nov 06, 2026 |
| 1793845514 | Nov 05, 2026 | Nov 05, 2026 |
| 1793759105 | Nov 04, 2026 | Nov 04, 2026 |
| 1793672706 | Nov 03, 2026 | Nov 03, 2026 |
| 1793586305 | Nov 02, 2026 | Nov 02, 2026 |
| 1793499905 | Nov 01, 2026 | Nov 01, 2026 |
| 1793413513 | Oct 31, 2026 | Oct 31, 2026 |
| 1793327112 | Oct 30, 2026 | Oct 30, 2026 |
| 1793240714 | Oct 29, 2026 | Oct 29, 2026 |
| 1793154306 | Oct 28, 2026 | Oct 28, 2026 |
Catch-all zone-file records indexed under this zone, by type.
Signed since before Jan 31, 2023. Its parent zone publishes a DS record for it, though the zone file carries no apex DNSKEY. (zone file as of Nov 07, 2026)
Signed domains: 2,265 · DS records: 2,972 (as of Nov 07, 2026)