undervisningsfag.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 28 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.208.37.196 is hosted by Combell NV (AS34762) in Belgium. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 188.208.37.196 | 600s | 188.208.37.196.static.hosted.by.combell-ops.net | AS34762 | Combell NV | 188.208.36.0/23 | 🇧🇪 Belgium | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 188.208.37.196 |
| 🔶 Autoconfig | 188.208.37.196 |
| Policy | Record (_dmarc.undervisningsfag.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:69e2273edc2f6@dmarc-dk.centerasecurity.com; |
| www | 188.208.37.196 (AS34762) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062400 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2022-02-28 |
| Expires | 2027-02-27 (131d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 19:00:46 | 2297ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-04 16:46:54 | 541ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 16:42:21 | 689ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-02 16:36:41 | 740ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-18 22:16:58 | 828ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 06:49:06 | 540ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 06:40:52 | 792ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-12 13:24:46 | 8659ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-10 15:18:29 | 3437ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-08 07:52:11 | 956ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-22 06:43:45 | 9646ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-21 02:51:04 | 750ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 18:48:37 | 1173ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-01 21:19:52 | 910ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-25 11:16:02 shown | 1061ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-24 04:55:45 | 727ms | 4 NS 1 A 0 MX | ⚠️ Bogus |
| 2026-06-20 06:58:12 | 688ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-18 07:55:34 | 895ms | 4 NS 1 A 0 MX | 🔒 Secure |