kursus-planen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 September 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.kursus-planen.dk. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.kursus-planen.dk | 85.235.243.38 | mail.kursusplanen.dk | AS3308 Norlys Telco A/S |
| www | 85.235.243.38 (AS3308) (address records, no CNAME) |
| www vs bare domain | Only www resolves (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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101801 |
| 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 | 2002-09-05 |
| Expires | 2027-09-30 (345d) |
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 |
|---|---|
| kursusplanen.dk | Punktum dk A/S (direct) |
| skillshouse.dk | Punktum dk A/S (direct) |
| skillslab.dk | Punktum dk A/S (direct) |
| superusers.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 19:21:22 shown | 556ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 02:51:31 | 418ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-22 16:53:24 | 1149ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-19 03:29:26 | 10797ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-15 20:03:53 | 6606ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-17 18:09:53 | 931ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-23 22:02:12 | 665ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-23 10:22:45 | 1066ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-21 09:54:28 | 1163ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 14:00:52 | 1844ms | 2 NS 0 A 1 MX | 🔒 Secure |