grundtvigsvaerker.dk is a .dk domain served by 2 nameservers (kuma.statsbiblioteket.dk, orion.statsbiblioteket.dk). It was registered on 2 May 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.27.166 is hosted by IDDQD-AS (AS1835) in Denmark. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 130.225.27.166 | 43200s | grundtvig-prod01.kb.dk | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (grundtvigsvaerker.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.grundtvigsvaerker.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dar@kb.dk; |
| www CNAME | grundtvigsvaerker.dk (all on grundtvigsvaerker.dk) → 130.225.27.166 (AS1835) |
| www vs bare domain | Same network |
| 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 | fully validated |
| Field | Value |
|---|---|
| Serial | 2026042426 |
| Primary NS (MNAME) | orion.statsbiblioteket.dk |
| Responsible (RNAME) | servicedesk@kb.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419000s |
| Minimum (neg-cache TTL) | 43200s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-05-02 |
| Expires | 2027-05-31 (224d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 07:04:52 shown | 1565ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-12 03:11:40 | 2207ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-10 20:38:59 | 545ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 14:09:25 | 635ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 12:10:20 | 486ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 12:05:34 | 563ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 12:02:51 | 527ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 10:09:48 | 1362ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 09:52:19 | 1705ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 08:46:52 | 3031ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-23 08:43:52 | 1720ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-16 18:44:49 | 1744ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-09 17:16:37 | 552ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-05 14:03:49 | 2041ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-29 13:58:02 | 978ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 16:54:00 | 455ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-25 16:06:15 | 1475ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-24 15:33:53 | 781ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-19 06:50:19 | 8666ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-18 05:47:05 | 2778ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-17 00:19:38 | 2390ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-15 14:19:38 | 2110ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-09 21:35:17 | 2792ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-07 20:46:09 | 928ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-01 06:13:48 | 847ms | 2 NS 1 A 0 MX | 🔒 Secure |