catnet.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 5 August 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by no.catnet.dk, nl2.inet.catnet.dk. The zone is DNSSEC-signed and validates, publishes a 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | no.catnet.dk | 2001:4da8:a:1:6000:100:58:6458 213.162.241.248 |
no.catnet.dk no.catnet.dk |
AS28824 Emp Secure As AS28824 Emp Secure As |
| 30 | 600s | nl2.inet.catnet.dk | 168.235.125.191 2a04:c5c0:0:602::1ba |
nl2.inet.catnet.dk nl2.inet.catnet.dk |
AS22611 InMotion Hosting, Inc. AS22611 InMotion Hosting, Inc. |
| TXT Record |
|---|
| v=spf1 redirect=_spf.catnet.dk |
| Policy | Record (catnet.dk) |
|---|---|
| redirect=_spf.catnet.dk | v=spf1 redirect=_spf.catnet.dk |
| Policy | Record (_dmarc.catnet.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; ruf=mailto:hostmaster-dkimruf@catnet.dk |
| www | Exists, no address |
| www vs bare domain | Neither resolves catnet.dk: no address www.catnet.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2006-08-05 |
| Expires | 2033-08-31 (2508d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 12:55:10 shown | 2088ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-04 00:15:37 | 2971ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-02 00:09:02 | 1021ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-24 22:34:46 | 748ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-04 00:08:15 | 903ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-17 02:28:56 | 3111ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-10 03:11:46 | 2568ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-27 12:36:20 | 6401ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 14:05:49 | 7748ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 20:23:16 | 1157ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 19:46:25 | 605ms | 4 NS 1 A 2 MX | 🔒 Secure |