claussen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.191 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod5-cph3.one.com, mx2.pub.mailpod5-cph3.one.com and 1 more. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.213.191 | 3600s | webforward.webpod14-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod5-cph3.one.com | 185.164.14.54 | mx1.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod5-cph3.one.com | 185.164.14.55 | mx2.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod5-cph3.one.com | 185.164.14.56 | mx3.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.30.213.143 |
| 🔶 Autoconfig | 46.30.213.143 |
| www | 185.158.133.1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | 63EF463E384F266BA4F41EE149A2C594… |
| SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | 63EF463E384F266BA4F41EE149A2C594… |
| SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | 63EF463E384F266BA4F41EE149A2C594… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081805 |
| 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 | Simply.com A/S |
| Registered | 2000-04-06 |
| Expires | 2027-06-30 (252d) |
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).
| Domain | Registrar |
|---|---|
| dilemmapanelet.dk | Simply.com A/S |
| etsparkbagi.dk | Simply.com A/S |
| resultatskabere.dk | Simply.com A/S |
| swim.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 20:22:42 | 380ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 08:10:35 | 486ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 17:32:02 | 730ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-19 21:20:48 | 1031ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-18 20:54:40 shown | 2785ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-29 05:52:57 | 728ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-27 21:54:34 | 807ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-23 13:07:53 | 1188ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 19:23:45 | 576ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 21:10:10 | 688ms | 2 NS 1 A 3 MX | 🔒 Secure |