domainnavn.dk is a .dk domain served by 3 nameservers (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk). It was registered on 1 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by he.hostonline.dk, mx-backup.hostonline.dk. 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscoverredirect.hostonline.dk → 217.195.185.209 |
| TXT Record |
|---|
| v=spf1 a mx include:_spf.hostonline.dk -all |
| Policy | Record (domainnavn.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.hostonline.dk -all |
| Policy | Record (_dmarc.domainnavn.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=r; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves domainnavn.dk: no address www.domainnavn.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 6/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101002 |
| Primary NS (MNAME) | ns4.hostonline.dk |
| Responsible (RNAME) | hostmaster@hostonline.dk |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | TS COMPUTER ApS |
| Registered | 1998-09-01 |
| Expires | 2027-09-30 (344d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 12:13:55 | 1213ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-17 09:29:00 | 1788ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-16 08:43:45 | 2075ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-15 07:31:20 | 719ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-10 22:26:28 shown | 1830ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-05 16:00:08 | 1662ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-30 15:39:40 | 636ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-25 14:33:45 | 693ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-23 13:36:31 | 556ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-17 22:16:58 | 738ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-10 20:16:38 | 675ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-06 14:13:23 | 489ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-31 21:53:22 | 774ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-27 01:03:12 | 567ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-21 12:15:30 | 6006ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-16 13:36:38 | 927ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-12 01:48:17 | 9866ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-08 05:30:59 | 1093ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-01 07:57:24 | 1276ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-27 16:16:34 | 850ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-22 09:47:26 | 2526ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-18 13:54:47 | 8951ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-14 13:21:07 | 9110ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-08 19:12:26 | 1252ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-02 11:46:42 | 689ms | 3 NS 0 A 2 MX | 🔒 Secure |