edu.dk is a .dk domain served by 3 nameservers (auth01.ns.dk-hostmaster.dk, auth02.ns.dk-hostmaster.dk, auth03.ns.dk-hostmaster.dk). It was registered on 14 December 1995 (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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| TXT Record |
|---|
| edu.dk |
| v=spf1 -all |
| Policy | Record (edu.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.edu.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves edu.dk: no address www.edu.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026080400 |
| Primary NS (MNAME) | auth01.ns.dk-hostmaster.dk |
| Responsible (RNAME) | tech@punktum.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1995-12-14 |
| Expires | 2026-12-31 (75d) |
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 |
|---|---|---|---|
| 2026-10-12 02:46:25 | 1106ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-11 02:05:23 | 309ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-05 23:23:29 | 436ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-04 23:19:54 | 331ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 22:45:59 | 470ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 16:10:23 | 459ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 14:56:39 | 434ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-23 14:10:29 | 419ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-16 19:52:43 | 780ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-09 18:51:21 | 519ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-05 19:35:03 | 642ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-29 23:02:22 | 327ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 14:13:21 | 422ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-23 23:42:27 | 1999ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-22 22:42:46 | 4115ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-18 19:50:44 | 3025ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-17 18:05:52 | 612ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-16 15:51:45 | 702ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-10 21:04:03 | 1998ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-06 14:05:07 shown | 621ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-03 23:31:01 | 712ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-29 12:15:10 | 595ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-23 22:26:13 | 8585ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-22 20:54:37 | 571ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-17 21:49:18 | 1918ms | 3 NS 0 A 0 MX | 🔒 Secure |