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 and validates, 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 | — | lb-192-30-252-153-iad.github.com | AS36459 | GitHub, Inc. | 192.30.252.0/22 | 🇺🇸 United States | — |
| 192.30.252.154 | — | 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 | — | mx1.terrifyinglytrue.eu | — | — | — |
| 20 | — | 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| 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 (194d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 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 | 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 shown | 2055ms | 2 NS 2 A 2 MX | 🔒 Secure |