domainname.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. 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 |
|---|---|---|---|
| ns4.hostonline.dk | — | — | — |
| ns5.hostonline.dk | — | — | — |
| ns6.hostonline.dk | — | — | — |
| TXT Record |
|---|
| v=spf1 include:_spf.hostonline.dk -all |
| Policy | Record (domainname.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.hostonline.dk -all |
| Policy | Record (_dmarc.domainname.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=r; |
| www CNAME | domainname.dk (all on domainname.dk) |
| www vs bare domain | Neither resolves domainname.dk: no address www.domainname.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: 4/10 · 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 | 2026061702 |
| 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 (343d) |
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 11:02:18 | 796ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-17 06:19:56 | 483ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-10 15:12:49 | 467ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-08 09:14:59 | 333ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-06 03:38:38 | 500ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-01 03:09:49 | 698ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 03:03:45 | 359ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-25 06:19:55 | 394ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 05:52:59 | 509ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-19 23:22:13 | 643ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-10 19:49:12 | 629ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-01 03:34:56 | 395ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-26 12:05:44 | 398ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-22 02:31:32 | 953ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-16 13:51:30 | 2237ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-12 08:08:26 | 3946ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-09 01:22:11 | 1421ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-01 16:22:04 | 735ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-27 11:29:10 | 567ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-23 05:55:06 | 8552ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-18 16:43:08 | 778ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-13 14:47:31 | 9464ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-09 03:16:27 | 24626ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-03 11:57:42 | 9461ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-30 03:21:29 | 585ms | 3 NS 0 A 0 MX | 🔒 Secure |