tietgennet.dk is a .dk domain served by 2 nameservers (lucy.ns.cloudflare.com, micah.ns.cloudflare.com). It was registered on 23 May 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| www | Exists, no address |
| www vs bare domain | Neither resolves tietgennet.dk: no address www.tietgennet.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2417764618 |
| Primary NS (MNAME) | lucy.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-05-23 |
| Expires | 2027-06-30 (253d) |
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 |
|---|---|---|---|
| 2026-10-18 08:42:46 shown | 345ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-16 07:40:54 | 443ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-08 12:53:52 | 404ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 00:21:00 | 493ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 20:59:48 | 465ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-18 12:50:50 | 1088ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-31 07:04:37 | 392ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-18 20:54:12 | 5410ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-10 01:12:46 | 1387ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-18 05:57:41 | 830ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-16 19:29:35 | 17851ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-15 10:38:56 | 628ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-03 01:06:03 | 1010ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-23 23:50:25 | 619ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-20 16:17:30 | 382ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-18 02:05:52 | 9159ms | 2 NS 0 A 0 MX | 🔒 Secure |