mudd.dk is a .dk domain served by 4 nameservers (ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org and 1 more). It was registered on 29 April 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 89.104.221.66 | 3600s | — | — | — | — | 🇩🇰 Denmark | — |
| www | 89.104.221.66 (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 5 |
| Primary NS (MNAME) | ns1-01.azure-dns.com |
| Responsible (RNAME) | hostmaster@di.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2007-04-29 |
| Expires | 2027-07-31 (285d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 05:47:30 shown | 4441ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-26 04:25:13 | 4537ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 12:58:38 | 5829ms | 4 NS 1 A 0 MX | 🔓 Insecure |