knudjorgensen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 11 September 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.spamfilter.cc, mx2.spamfilter.cc 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | eu.s3-website-eu-west-1.amazonaws.com → 3.5.71.112 |
| 🔶 Autoconfig | eu.s3-website-eu-west-1.amazonaws.com → 3.5.73.22 |
| www CNAME | eu.s3-website-eu-west-1.amazonaws.com (all on amazonaws.com) |
| www vs bare domain | Only www resolves knudjorgensen.dk: no address (all like this)www.knudjorgensen.dk: 3.5.71.112 3.5.71.81 3.5.72.84 3.5.73.100 (AS16509) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.knudjorgensen.dk | eu.s3-website-eu-west-1.amazonaws.com |
| TXT | eu.s3-website-eu-west-1.amazonaws.com | 7e48ceab88c72d090b82f738de225bae |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026102101 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2009-09-11 |
| Expires | 2027-09-30 (343d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 05:25:53 shown | 819ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-16 17:52:56 | 2678ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-15 14:20:51 | 1509ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-04 17:28:08 | 2606ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-30 17:00:31 | 5189ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-30 03:43:28 | 1055ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-28 16:04:39 | 11174ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-30 12:11:36 | 2003ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-23 11:07:09 | 1118ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-18 06:07:29 | 1319ms | 2 NS 0 A 3 MX | 🔒 Secure |