mailserveren.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 July 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by post.augustenborg.org, backup-mx.post.tele.dk. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | post.augustenborg.org | 77.33.49.36 | 77.33.49.36.dhcp.fibianet.dk | AS44869 FIBIA P/S |
| 20 | 43200s | backup-mx.post.tele.dk | 80.160.77.99 | backup-mx1.post.tele.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mailserveren.dk |
| 🔶 Autoconfig | mailserveren.dk |
| www CNAME | mailserveren.dk (all on mailserveren.dk) |
| www vs bare domain | Neither resolves mailserveren.dk: no address www.mailserveren.dk: no address |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.mailserveren.dk | mailserveren.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026071701 |
| 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 | 2005-07-20 |
| Expires | 2029-07-31 (1013d) |
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 |
|---|---|
| venturer.dk | Punktum dk A/S (direct) |
| winit.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 11:59:41 | 799ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-13 11:08:10 | 819ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-25 17:32:38 | 2712ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-12 04:39:02 | 5779ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-21 11:16:34 shown | 4914ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-18 04:19:06 | 5101ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-12 07:53:42 | 17322ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-26 07:46:33 | 665ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-25 16:15:00 | 998ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-24 17:01:07 | 1291ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-22 16:31:52 | 1025ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 10:42:55 | 793ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-17 14:05:50 | 1555ms | 2 NS 0 A 2 MX | 🔒 Secure |