undergulv.dk is a .dk domain served by 3 nameservers (ns1.biesol.dk, ns2.biesol.dk, ns3.biesol.dk). It was registered on 29 January 2004 (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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.biesol.dk | 49.12.42.167 | ns1a.systemina.dk | AS24940 Hetzner Online GmbH |
| ns2.biesol.dk | 195.201.224.201 | ns2a.systemina.dk | AS24940 Hetzner Online GmbH |
| ns3.biesol.dk | 91.194.94.34 | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.194.94.70 | — | hermes.biesol.dk | — | — | — | 🇩🇰 Denmark | — |
| www | 91.194.94.70 (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 | 2024111107 |
| Primary NS (MNAME) | ns1.biesol.dk |
| Responsible (RNAME) | hostmaster@biesol.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-01-29 |
| Expires | 2027-01-31 (106d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 18:40:41 | 10676ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 17:17:45 | 10922ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-18 00:18:37 shown | 1423ms | 3 NS 1 A 0 MX | 🔓 Insecure |