lærerkursus.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 14 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.200.90.118 is hosted by Christian Ebsen ApS (AS62121) in Denmark. 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 |
|---|---|---|---|---|---|---|---|
| 193.200.90.118 | 3600s | server.dbjob.dk | AS62121 | Christian Ebsen ApS | 193.200.90.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 193.200.90.118 |
| 🔶 Autoconfig | 193.200.90.118 |
| TXT Record |
|---|
| google-site-verification=fHajS_CN7Zicn2Qb_RubkJ4Tc06-15r1mRWz1l0zqRo |
| www | 193.200.90.118 (AS62121) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| 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 | broken trust chain resolving 'l\195\166rerkursus.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2025050201 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2025-02-14 |
| Expires | 2027-02-13 (108d) |
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 |
|---|---|---|---|
| 2026-10-24 10:35:35 | 478ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-09 12:42:07 | 359ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 11:53:08 | 436ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 17:59:54 | 492ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 21:09:04 | 545ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 01:45:46 | 495ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 11:41:47 | 587ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-25 15:07:28 | 451ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 06:39:40 | 507ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-28 06:39:39 | 489ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-24 08:51:20 shown | 551ms | 2 NS 1 A 0 MX | ⚠️ Bogus |
| 2026-06-23 05:37:12 | 317ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 01:57:28 | 444ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 22:27:44 | 758ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-19 08:46:17 | 351ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-18 00:30:37 | 850ms | 2 NS 1 A 0 MX | 🔒 Secure |