ktas.dk is a .dk domain served by 2 nameservers (ns1auth.tdu.dk, ns2auth.tdu.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.tdu.dk. 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 |
|---|---|---|---|
| ns1auth.tdu.dk | 80.63.62.13 | ns1auth.tdu.dk | AS3292 TDC Holding A/S |
| ns2auth.tdu.dk | 80.63.62.22 | ns2auth.tdu.dk | AS3292 TDC Holding A/S |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.tdu.dk | — | — | — |
| TXT Record |
|---|
| DNS admin: Kristen Nielsen, Teledanmark udvikling, krn@tdu.dk, tlf 43 345605 / 40 466221 |
| www CNAME | www.tdc.dk (all on tdc.dk) |
| www vs bare domain | Only www resolves ktas.dk: no address (all like this)www.ktas.dk: 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2015030300 |
| Primary NS (MNAME) | ns1auth.tdu.dk |
| Responsible (RNAME) | hostmaster@ktas.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 17:34:17 | 7348ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-29 17:11:30 | 12487ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-25 08:08:56 | 13684ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-09 14:01:48 | 13120ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 11:11:13 shown | 1058ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 22:55:46 | 2717ms | 2 NS 0 A 1 MX | 🔓 Insecure |