nationalbiblioteket.dk is a .dk domain served by 2 nameservers (kuma.statsbiblioteket.dk, orion.statsbiblioteket.dk). It was registered on 12 September 2016 (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 (nationalbiblioteket.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.nationalbiblioteket.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dar@kb.dk; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves nationalbiblioteket.dk: no address www.nationalbiblioteket.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · 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 | 2022042041 |
| Primary NS (MNAME) | orion.statsbiblioteket.dk |
| Responsible (RNAME) | hostmaster@statsbiblioteket.dk |
| Refresh | 1200s |
| Retry | 600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-09-12 |
| Expires | 2027-09-30 (345d) |
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 12:31:12 shown | 817ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-15 08:56:43 | 420ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-14 08:52:44 | 455ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-13 08:17:40 | 874ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-11 03:29:01 | 455ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-10 00:39:47 | 3051ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-06 20:15:35 | 1941ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-05 17:36:47 | 505ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-03 17:26:42 | 1795ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-02 17:21:40 | 512ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 17:10:57 | 1168ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-27 16:35:12 | 499ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 16:13:21 | 489ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 15:42:05 | 606ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-23 15:05:16 | 483ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-20 03:53:09 | 1634ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-13 02:08:47 | 523ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-08 22:55:58 | 492ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-07 11:56:58 | 1863ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-31 05:38:22 | 1109ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-29 20:29:16 | 387ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-28 10:54:12 | 562ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 11:06:22 | 424ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-26 10:00:23 | 772ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-22 23:01:55 | 9540ms | 2 NS 0 A 0 MX | 🔒 Secure |