clausbak.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 November 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 14 October 2026, when it moved from direct registration at Punktum to nordicway ApS. Its website address 77.111.240.175 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.175 | 3600s | webcluster48.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod14-cph3.one.com | 185.10.9.212 | mx1.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod14-cph3.one.com | 185.10.9.213 | mx2.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod14-cph3.one.com | 185.10.9.214 | mx3.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod14-cph3.one.com | 185.10.9.215 | mx4.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:8079:ae0e:c388:fd14 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www CNAME | clausbak.dk (all on clausbak.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | F9CAE2DF0FCB54F04130769823BED77A… |
| SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | F9CAE2DF0FCB54F04130769823BED77A… |
| SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | F9CAE2DF0FCB54F04130769823BED77A… |
| SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | F9CAE2DF0FCB54F04130769823BED77A… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061705 |
| 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 | nordicway ApS |
| Registered | 2006-11-30 |
| Expires | 2026-11-30 (38d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 13:44:57 | 1036ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 02:27:41 | 844ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 23:13:58 | 551ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 18:27:38 | 800ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-03 20:45:57 | 603ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 20:11:32 | 7692ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-11 04:28:56 | 5090ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-05 01:18:57 | 2035ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-06 11:49:11 | 4214ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 15:08:50 | 668ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 01:47:57 | 710ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 16:33:53 shown | 796ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 09:49:42 | 549ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 17:52:53 | 1173ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-19 22:52:23 | 2571ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 21:10:11 | 823ms | 2 NS 1 A 4 MX | 🔒 Secure |