tjekdag.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.241.113 | — | webcluster2.wordpresspod2-cph3.one.com | AS51468 | — | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:104:808f:4f1c:855a:a115 | — | — | AS51468 | — | — | — | — |
| TXT Record |
|---|
| google-site-verification=hCU5l9rEUBKFCqtShRwUCs9K50g74snIqYG5VLtzGn4 |
| google-site-verification=mXuRgFyTtdCwXApes325b7qtOS9agtjOdg9WWVyH4Rw |
| www | 93.191.156.228 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060205 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 19:13:51 | 425ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 19:06:47 | 474ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-05 00:14:13 | 443ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-19 08:56:34 | 16852ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 18:06:09 | 624ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 23:29:13 | 849ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 19:31:00 | 1656ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 17:06:53 shown | 1062ms | 2 NS 1 A 4 MX | 🔒 Secure |