open-access.dk is a .dk domain served by 2 nameservers (ns1.cbs.dk, ns2.cbs.dk). It was registered on 28 March 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, has no 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.
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (open-access.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www CNAME | abura.cbs.dk (all on cbs.dk) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.open-access.dk |
| www vs bare domain | Neither resolves open-access.dk: no address www.open-access.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| 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 | 2017122298 |
| Primary NS (MNAME) | ns1.cbs.dk |
| Responsible (RNAME) | DNS@cbs.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-03-28 |
| Expires | 2027-03-31 (158d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 04:26:53 | 285ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-16 02:02:01 | 975ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-10 04:12:31 | 2998ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-07 22:33:05 | 354ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-06 10:09:28 | 1070ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-01 09:21:59 | 420ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-27 08:10:45 | 379ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 07:55:07 | 378ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-22 00:48:23 | 423ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-14 05:53:59 | 3254ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-05 04:22:59 | 344ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-31 13:29:20 | 1197ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 14:23:54 | 815ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-26 23:29:30 | 2488ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-22 06:00:10 | 3088ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-18 02:24:14 | 2694ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-13 14:49:06 | 1554ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-09 19:50:02 | 2835ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-06 09:01:14 | 520ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-26 06:26:59 | 443ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-22 02:18:53 shown | 8596ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-18 07:30:18 | 2659ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-15 19:16:58 | 2803ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-08 18:34:36 | 666ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-03 18:34:37 | 388ms | 2 NS 0 A 0 MX | 🔒 Secure |