cats-in-blue.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 January 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.158 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.158 | 3600s | webcluster1.webpod17-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:106:f7:6f8d:90f0:a96d | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.215.158 2a02:2350:5:106:f7:6f8d:90f0:a96d (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network cats-in-blue.dk: 46.30.215.158 2a02:2350:5:106:f7:6f8d:90f0:a96d (AS51468) www.cats-in-blue.dk: 46.30.215.158 2a02:2350:5:106:f7:6f8d:90f0:a96d (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092801 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-01-07 |
| Expires | 2027-01-31 (105d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 12:38:15 shown | 399ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 01:05:50 | 503ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 00:37:12 | 532ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 23:59:34 | 522ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 16:38:53 | 1454ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 23:07:47 | 2469ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-28 14:37:12 | 582ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 08:20:41 | 646ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 19:46:19 | 406ms | 2 NS 1 A 0 MX | 🔒 Secure |