detkongeligebibliotek.dk is a .dk domain served by 2 nameservers (ns.kb.dk, ns2.kb.dk). It was registered on 2 June 2000 (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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (detkongeligebibliotek.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.detkongeligebibliotek.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dar@kb.dk; |
| www CNAME | www.kb.dk (all on kb.dk) → 130.225.27.171 (AS1835) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.detkongeligebibliotek.dk | 2986e3e8-8cc0-4b0b-a15e-bbde35385005.acme.kb.dk |
| TXT | 2986e3e8-8cc0-4b0b-a15e-bbde35385005.acme.kb.dk | AroOIjT-c00yN_iDO4du2CJLCNbWGzm5Lw6kBcrLEAg |
| TXT | 2986e3e8-8cc0-4b0b-a15e-bbde35385005.acme.kb.dk | neXRuQBlv-oN4Udff5g2041WPufLTcaYDOzpug_bUw4 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-06-02 |
| Expires | 2027-06-30 (253d) |
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 |
|---|---|---|---|
| 2026-10-18 02:41:49 shown | 2483ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-12 11:27:32 | 6900ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-10 09:46:42 | 2995ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-07 07:59:25 | 391ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-02 00:50:19 | 389ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-01 00:40:58 | 694ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 02:20:08 | 2736ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-25 20:52:53 | 529ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-22 19:37:08 | 638ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-15 17:55:54 | 591ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-09 11:25:24 | 571ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-05 16:53:56 | 3015ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-29 16:49:31 | 925ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-23 17:56:13 | 3416ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-20 15:10:22 | 623ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-18 12:51:24 | 879ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-12 18:19:25 | 548ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-07 04:40:32 | 586ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-03 11:12:05 | 8777ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-26 08:57:01 | 745ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-24 07:53:28 | 3099ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-23 06:34:15 | 721ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-18 22:21:54 | 2843ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-16 07:46:50 | 2718ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-13 22:30:43 | 685ms | 2 NS 0 A 0 MX | 🔒 Secure |