tanstaafl.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| www CNAME | ghs.google.com (all on google.com) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026071801 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 21:06:49 | 537ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-30 08:11:27 | 507ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-25 17:55:15 | 9588ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-18 23:54:15 | 1052ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-05 08:26:41 | 3723ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-27 18:01:15 | 889ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-19 07:45:49 | 6763ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-23 14:47:38 | 7380ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-20 06:58:28 shown | 5151ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-19 04:42:55 | 3907ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-29 11:12:06 | 831ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-18 08:34:32 | 2390ms | 2 NS 0 A 7 MX | 🔒 Secure |