meritlærer.dk is a .dk domain served by 2 nameservers (ns3.supportcenter.dk, ns4.supportcenter.dk). It was registered on 24 December 2004 (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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns3.supportcenter.dk | — | — | — |
| ns4.supportcenter.dk | — | — | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (meritlærer.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.meritlærer.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.dk |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves meritlærer.dk: no address www.meritlærer.dk: no address |
| 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 | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 672 |
| Primary NS (MNAME) | ns3.supportcenter.dk |
| Responsible (RNAME) | hostmaster@supportcenter.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-12-24 |
| Expires | 2026-12-31 (67d) |
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).
Showing 100 of 125.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 10:13:36 | 353ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-18 14:35:08 | 4057ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-15 09:01:39 | 3169ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-12 00:35:41 | 958ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-06 19:48:08 | 2459ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-02 18:01:21 | 363ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 16:31:39 | 453ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-27 16:03:39 | 413ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-25 15:44:24 | 414ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-22 02:36:55 | 462ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-17 13:19:01 | 473ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-14 05:53:11 | 2855ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-11 00:46:58 | 477ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-05 18:43:37 | 498ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 20:45:24 | 370ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-26 19:48:54 | 398ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-22 12:48:31 | 857ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-17 15:23:04 | 811ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-16 11:34:13 | 1087ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-09 22:36:40 | 498ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-08 20:19:06 | 436ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-31 03:16:37 | 33543ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-23 16:03:51 | 419ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-22 14:04:35 | 519ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-17 23:44:05 | 607ms | 2 NS 0 A 1 MX | 🔒 Secure |