catsub.dk is a .dk domain served by 2 nameservers (memphis.ns.cloudflare.com, nena.ns.cloudflare.com). It was registered on 14 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.66.250 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.66.250 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.166.141 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.166.141 |
| 🔶 Autoconfig | 104.21.66.250 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:42fa | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::ac43:a68d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.66.250,172.67.166.141 ech=AEX+DQBBiwAgACCLF6PJdl8GShbwHdy9bDUhXsYaw0Dzjw4BVz/THOM2FQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:42fa,2606:4700:3032::ac43:a68d |
| TXT Record |
|---|
| google-site-verification=BqssgeC7Z6JLJ_A2P8s3jbyxpz-pnvd8o3fjkTTp2Jw |
| www | 104.21.66.250 172.67.166.141 2606:4700:3032::6815:42fa 2606:4700:3032::ac43:a68d (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2416245177 |
| Primary NS (MNAME) | memphis.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | NETIM |
| Registered | 2026-05-14 |
| Expires | 2027-05-13 (208d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 19:07:48 shown | 645ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 18:16:41 | 649ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 15:54:06 | 777ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-19 03:36:34 | 1492ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-12 01:20:34 | 1058ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-29 10:43:20 | 960ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 20:55:09 | 1305ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-19 21:58:45 | 894ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-07 13:21:34 | 1199ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-29 13:40:10 | 930ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-27 19:47:40 | 777ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 23:12:29 | 876ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 19:45:19 | 382ms | 2 NS 2 A 0 MX | 🔓 Insecure |