uddannelserihorsens.dk is a .dk domain served by 2 nameservers (ns3.supportcenter.dk, ns4.supportcenter.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.54.32.11 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by .. The zone is of unknown DNSSEC status, publishes a 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 |
|---|---|---|---|
| ns3.supportcenter.dk | 87.54.32.150 | — | AS3292 TDC Holding A/S |
| ns4.supportcenter.dk | 2.106.7.200 | ns4.supportcenter.dk | AS3292 TDC Holding A/S |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (uddannelserihorsens.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.uddannelserihorsens.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.dk |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'uddannelserihorsens.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 405 |
| Primary NS (MNAME) | ns3.supportcenter.dk |
| Responsible (RNAME) | hostmaster@supportcenter.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 13:51:54 | 962ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-24 06:05:36 | 3140ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-23 05:20:21 | 4679ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-22 04:55:33 | 5069ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-21 04:43:52 | 8783ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-20 04:12:44 | 9670ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-19 03:48:26 | 3094ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-17 23:53:50 | 801ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-16 21:15:30 | 3053ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-15 20:18:30 | 1034ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-14 19:27:02 | 2886ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-13 05:02:52 | 688ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-08-11 23:34:20 | 880ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-10 09:54:05 | 4054ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-08 05:44:17 | 1035ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-05 21:43:48 | 3776ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-03 23:19:00 | 1874ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-28 01:18:23 | 1024ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-27 01:05:48 | 9816ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-26 00:32:42 | 810ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-25 00:14:32 shown | 601ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-07-23 22:34:42 | 928ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-22 21:17:14 | 936ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-21 16:36:17 | 955ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-20 00:53:30 | 2713ms | 2 NS 0 A 0 MX | ⚠️ Bogus |