nidhug.dk is a .dk domain served by 2 nameservers (ns3.ribemediehus.dk, ns4.ribemediehus.dk). It was registered on 23 September 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.76.54.104 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.nidhug.dk. The zone is DNSSEC-signed but currently fails validation, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 144.76.54.104 | — | axius.ribemediehus.dk | AS24940 | Hetzner Online GmbH | 144.76.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.nidhug.dk | 144.76.54.104 2a01:4f8:242:216b::1 |
axius.ribemediehus.dk axius.ribemediehus.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:242:216b::1 | — | axius.ribemediehus.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 0 | 993 | mail.nidhug.dk |
| TXT Record |
|---|
| v=spf1 a mx a:mail.nidhug.dk -all |
| Policy | Record (nidhug.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx a:mail.nidhug.dk -all |
| Policy | Record (_dmarc.nidhug.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:tech@ribemediehus.dk |
| 0 | issue | letsencrypt.org |
| 0 | issuewild | letsencrypt.org |
| www CNAME | nidhug.dk (all on nidhug.dk) |
| www vs bare domain | Same network nidhug.dk: 144.76.54.104 2a01:4f8:242:216b::1 (AS24940) www.nidhug.dk: 144.76.54.104 2a01:4f8:242:216b::1 (AS24940) |
| Wildcard | No |
DNS lookups: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'nidhug.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2025102102 |
| Primary NS (MNAME) | ns3.ribemediehus.dk |
| Responsible (RNAME) | tech@ribemediehus.dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2021-09-23 |
| Expires | 2027-09-22 (337d) |
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 |
|---|---|
| perlemageren.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 09:23:45 | 4568ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 07:41:32 | 920ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-17 02:28:45 | 2602ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 18:41:18 | 9729ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-17 06:27:54 | 9988ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-16 02:02:12 | 15378ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-25 13:34:08 | 13651ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-08 12:07:53 | 25815ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-07 04:31:38 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 00:06:38 | 4699ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 05:37:18 shown | 8472ms | 2 NS 1 A 1 MX | ⚠️ Bogus |