polytekniskalkolaug.dk is a .dk domain served by 2 nameservers (ns1.dnsplatform.dk, ns2.dnsplatform.dk). It was registered on 5 November 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. On 20 October 2026 we saw it transfer from Platform Company ApS to DNS Platform ApS. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|
| ns1.dnsplatform.dk | 94.130.53.176 | placo01.platformcompany.dk | AS24940 Hetzner Online GmbH |
| ns2.dnsplatform.dk | 159.69.139.109 | placo02.itplatform.dk | AS24940 Hetzner Online GmbH |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves polytekniskalkolaug.dk: no address www.polytekniskalkolaug.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026032641 |
| Primary NS (MNAME) | ns1.dnsplatform.dk |
| Responsible (RNAME) | hostmaster@dnsplatform.dk |
| Refresh | 3600s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | DNS Platform ApS |
| Registered | 2010-11-05 |
| Expires | 2026-11-30 (40d) |
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 |
|---|---|---|---|
| 2026-10-20 20:14:42 | 861ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-19 17:19:02 | 986ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-12 10:40:06 | 738ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-11 06:26:25 | 1824ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-08 00:19:22 | 458ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-03 00:21:18 shown | 512ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-02 01:52:07 | 847ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-23 23:29:32 | 713ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-14 17:43:16 | 1985ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-07 15:55:49 | 635ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-28 07:41:55 | 599ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-27 07:35:18 | 578ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-18 23:00:48 | 36259ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-10 15:16:48 | 1666ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-09 08:29:12 | 903ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-04 03:16:38 | 787ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-23 02:56:06 | 756ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-15 06:14:23 | 1070ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-05 18:17:49 | 1026ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-04 15:32:46 | 1485ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-26 07:26:54 | 580ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-24 18:52:00 | 1591ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-22 06:33:02 | 582ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 13:29:34 | 1478ms | 2 NS 0 A 0 MX | 🔓 Insecure |