dgopen.dk is a .dk domain served by 3 nameservers (web01.jtranholm.com, web02.jtranholm.com, web03.jtranholm.com). It was registered on 8 December 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| web01.jtranholm.com | — | — | — |
| web02.jtranholm.com | 194.156.91.221 | web02.jtranholm.com | AS206996 ZAP-Hosting GmbH |
| web03.jtranholm.com | 88.214.57.125 | web03.jtranholm.com | AS206996 ZAP-Hosting GmbH |
| www CNAME | dgopen.dk (all on dgopen.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.dgopen.dk | _acme-challenge.acme.drlund-gym.dk |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: failure |
| Field | Value |
|---|---|
| Registrar | Netsite A/S |
| Registered | 2023-12-08 |
| Expires | 2026-12-07 (50d) |
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 |
|---|---|
| dronninglundgymnasium.dk | Punktum dk A/S (direct) |
| dronninglundlobet.dk | Netsite A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 09:12:18 | 2556ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-12 03:41:38 | 930ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-08 01:42:45 | 2416ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 20:11:50 | 1021ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 20:04:46 | 1620ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 18:41:43 | 6616ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 17:49:42 | 921ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-21 03:43:52 | 2244ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-14 02:20:31 | 1588ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-07 09:55:34 | 1446ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-04 07:32:10 | 1651ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-01 07:56:22 | 3110ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 02:46:17 | 2126ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-23 09:48:36 | 2226ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-19 05:27:21 | 5292ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-13 21:50:55 | 1970ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-08 07:12:44 | 6539ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-06 23:00:52 | 2943ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-29 21:00:01 | 16251ms | 3 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-27 08:48:09 shown | 28958ms | 3 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-26 07:55:24 | 26737ms | 3 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-11 08:42:49 | 7294ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-09 05:44:59 | 34428ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-27 22:03:43 | 7403ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-21 22:40:22 | 1167ms | 0 NS 0 A 0 MX | ❓ Unknown |