opac.dk is a .dk domain served by 2 nameservers (ns.kb.dk, ns2.kb.dk). It was registered on 28 July 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.226.220.93 is hosted by FSKNET-DK Forskningsnettet - Danish network for Research and Education (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 |
|---|---|---|---|---|---|---|---|
| 130.226.220.93 | 3600s | burns.kb.dk | AS1835 | FSKNET-DK Forskningsnettet - Danish network for Research and Education | 130.226.0.0/16 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (opac.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.opac.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dar@kb.dk; |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2006-07-28 |
| Expires | 2027-07-31 (287d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 19:47:09 shown | 533ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-12 19:07:09 | 370ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-09 11:56:05 | 3470ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 10:08:00 | 1696ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-04 05:47:26 | 352ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-02 18:39:30 | 426ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 18:34:42 | 326ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 19:35:27 | 2332ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 15:16:55 | 1617ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 15:00:15 | 592ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-22 01:33:32 | 3951ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-18 13:09:26 | 2872ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-14 16:59:33 | 3940ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-07 16:09:06 | 735ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-31 13:49:45 | 2709ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-30 08:20:29 | 433ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-24 16:46:23 | 1663ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-23 15:16:49 | 2760ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-18 05:22:42 | 2843ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-15 16:56:36 | 507ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-12 17:57:34 | 591ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-06 21:59:04 | 3184ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-26 06:57:49 | 3089ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-25 06:16:03 | 8467ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-19 11:10:22 | 3063ms | 2 NS 1 A 0 MX | 🔒 Secure |