rt72.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 August 2009 (WHOIS) and 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 3 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 | 46.30.211.38 (AS51468) (address records, no CNAME) |
| 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 | 2026060201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-08-05 |
| Expires | 2027-08-31 (311d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 12:38:54 | 752ms | 2 NS 0 A 5 MX | 🔒 Secure |
| 2026-09-27 12:04:06 | 552ms | 2 NS 0 A 5 MX | 🔒 Secure |
| 2026-09-03 22:42:23 | 919ms | 2 NS 0 A 5 MX | 🔒 Secure |
| 2026-08-30 02:47:19 | 548ms | 2 NS 0 A 5 MX | 🔒 Secure |
| 2026-08-27 19:11:38 | 776ms | 2 NS 0 A 5 MX | 🔒 Secure |
| 2026-08-06 08:56:38 | 2114ms | 2 NS 0 A 5 MX | 🔒 Secure |
| 2026-07-14 07:31:34 | 5420ms | 2 NS 0 A 5 MX | 🔒 Secure |
| 2026-07-03 20:46:01 | 1111ms | 2 NS 0 A 5 MX | 🔒 Secure |
| 2026-06-25 09:16:05 | 543ms | 2 NS 0 A 5 MX | 🔒 Secure |
| 2026-06-22 23:55:00 | 1193ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 23:39:15 shown | 739ms | 2 NS 0 A 5 MX | 🔒 Secure |