cmec.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 6 July 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed but currently fails validation, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.efif.dk | 195.254.168.23 | ns.efif.dk | AS51073 Aarhus Business College |
| ns2.efif.dk | 195.254.168.12 | ns2.efif.dk | AS51073 Aarhus Business College |
| ns3.efif.dk | 20.23.170.35 | — | AS8075 Microsoft Corporation |
| TXT Record |
|---|
| Maskinmesterskolen Kbh |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves cmec.dk: no address www.cmec.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 |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2021030868 |
| Primary NS (MNAME) | ns.efif.dk |
| Responsible (RNAME) | dns-zc@efif.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-07-06 |
| Expires | 2027-07-31 (279d) |
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 |
|---|---|---|---|
| 2026-10-24 05:45:31 | 3550ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-23 03:40:18 | 893ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-21 21:22:30 | 340ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-16 18:22:00 | 438ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-13 11:49:16 | 663ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-12 10:55:22 | 764ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-05 21:18:07 | 2723ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-04 21:16:23 | 450ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 21:05:27 | 508ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 20:23:25 | 1482ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 19:53:00 | 1604ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-20 03:31:56 | 455ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-18 05:22:20 | 1598ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-14 23:27:54 | 1653ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-07 22:10:12 | 390ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-03 22:54:12 | 348ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 15:13:22 | 446ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-24 05:09:19 | 2849ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-21 21:45:07 | 673ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-16 06:14:15 | 11603ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-12 20:54:56 | 3842ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-07 16:49:39 | 2251ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-06 02:06:58 | 2842ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-29 13:53:23 | 6678ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-24 04:14:36 | 2443ms | 3 NS 0 A 0 MX | 🔒 Secure |