natmus.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 1 July 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns6.sitnet.dk | 107.162.234.197 2604:e180:1071::3:1 |
— — |
AS55002 F5, Inc. AS55002 F5, Inc. |
| ns7.sitnet.dk | 107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd |
— — |
AS55002 F5, Inc. AS55002 F5, Inc. |
| Policy | Record (_dmarc.natmus.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com; |
| www CNAME | natmus.dk (all on natmus.dk) → 178.72.21.206 (AS3342) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 4-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | s1.domainkey.u20349088.wl089.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u20349088.wl089.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-natmus-dk._domainkey.natmus.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 72864 |
| Primary NS (MNAME) | ns6.sitnet.dk |
| Responsible (RNAME) | hostmaster@statens-it.dk |
| Refresh | 10800s |
| Retry | 1080s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1996-07-01 |
| Expires | 2027-09-30 (342d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
Showing 100 of 112.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 01:11:54 | 8996ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-20 21:15:27 | 1410ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-19 17:37:40 | 3779ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-18 17:32:42 | 18741ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-17 17:05:58 | 1615ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-16 16:54:29 | 17852ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 15:42:34 | 5458ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 15:36:45 | 18022ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 12:59:39 | 1482ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 06:35:00 | 5547ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 04:13:29 | 17639ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 03:31:44 | 1912ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 02:53:41 | 1971ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 02:50:36 | 17921ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 02:41:08 | 19374ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 02:09:51 | 19216ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 02:05:28 | 18052ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 01:56:11 | 5553ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 01:54:52 | 11647ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 01:49:42 | 17394ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 01:44:42 | 1685ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 01:40:37 | 5369ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 18:56:46 | 17362ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 18:48:05 | 17416ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 18:32:47 | 14431ms | 2 NS 1 A 1 MX | 🔒 Secure |