meritlaerer.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 | 87.54.32.150 | — | AS3292 TDC Holding A/S |
| ns4.supportcenter.dk | 2.106.7.200 | ns4.supportcenter.dk | AS3292 TDC Holding A/S |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (meritlaerer.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.meritlaerer.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 meritlaerer.dk: no address www.meritlaerer.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 nxrrset |
| Field | Value |
|---|---|
| Serial | 671 |
| 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 (68d) |
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 122.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 10:08:11 | 395ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-22 07:09:24 | 3001ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-20 22:23:14 | 2761ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-19 15:27:29 | 309ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-13 10:24:16 | 3146ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-07 23:28:18 | 1789ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-04 18:15:44 | 474ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-02 18:06:00 | 309ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-29 17:46:56 | 329ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-26 21:12:20 | 425ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-25 20:49:32 | 409ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-23 20:04:27 | 465ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-20 04:48:36 | 3109ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-13 03:33:54 | 353ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-04 08:26:58 | 317ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-29 13:27:48 | 316ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-25 04:04:19 | 24569ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-24 03:02:17 | 2267ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-18 19:49:24 | 2389ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-16 16:51:05 | 9427ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-12 07:50:12 | 904ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-08 01:11:31 | 585ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-06 04:10:53 | 580ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-29 04:50:57 | 3284ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-24 16:51:43 | 1003ms | 2 NS 0 A 1 MX | 🔒 Secure |