birdtracks.dk is a .dk domain served by 4 nameservers (ns01.one.com, ns02.one.com, ns1.nbi.dk and 1 more). It was registered on 29 July 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.212.5 is hosted by IDDQD-AS (AS1835) in Denmark. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 130.225.212.5 | 86400s | — | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| Classification of Lie groups, NBI |
| www | 130.225.212.5 (AS1835) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.birdtracks.dk | vzzYBdYqqbSwn-FMKi2jZ_yBxihqPsuFoHBCl-X5miU |
| 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 | 2026042901 |
| Primary NS (MNAME) | ns1.nbi.dk |
| Responsible (RNAME) | hostmaster@nbi.dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2007-07-29 |
| Expires | 2030-07-31 (1382d) |
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).
Showing 100 of 134.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 18:46:42 | 466ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-29 19:00:33 | 433ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-12 14:17:31 | 929ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-03 04:13:09 | 830ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-28 03:54:11 | 607ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-03 10:04:20 | 628ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-21 15:50:45 | 914ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-21 14:54:39 | 956ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 15:26:32 shown | 858ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 14:39:08 | 407ms | 4 NS 1 A 0 MX | 🔓 Insecure |