texnikum.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 April 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.30.252.153 is hosted by GitHub, Inc. (AS36459) in United States. Mail is handled by mx1.terrifyinglytrue.eu, mx2.terrifyinglytrue.eu. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 192.30.252.153 | 21600s | lb-192-30-252-153-iad.github.com | AS36459 | GitHub, Inc. | 192.30.252.0/22 | 🇺🇸 United States | — |
| 192.30.252.154 | 21600s | lb-192-30-252-154-iad.github.com | AS36459 | GitHub, Inc. | 192.30.252.0/22 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mx1.terrifyinglytrue.eu | — | — | — |
| 20 | 43200s | mx2.terrifyinglytrue.eu | — | — | — |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| 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: insecurity proof failed |
| Field | Value |
|---|---|
| Serial | 2026030501 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2014-04-21 |
| Expires | 2027-04-30 (193d) |
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).
| Domain | Registrar |
|---|---|
| k-noerden.dk | Punktum dk A/S (direct) |
| k-nørden.dk | Punktum dk A/S (direct) |
| knoerden.dk | Punktum dk A/S (direct) |
| knørden.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 11:59:26 | 425ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-23 16:36:36 | 2574ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-20 00:41:42 | 633ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-07 19:00:39 | 871ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-21 02:52:40 | 4665ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-19 00:00:54 | 2443ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-12 05:57:56 | 1514ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-21 14:44:50 | 4716ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-28 16:22:42 | 563ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-21 07:58:09 shown | 451ms | 2 NS 2 A 2 MX | ⚠️ Bogus |
| 2026-06-20 02:51:33 | 4361ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-17 13:26:28 | 2055ms | 2 NS 2 A 2 MX | 🔒 Secure |