posbox.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 December 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.186.80 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx01.magaards-freelance.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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 81.7.186.80 | 43200s | — | AS47292 | Sentia Denmark A/S | 81.7.176.0/20 | 🇩🇰 Denmark | Hillerød |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mx01.magaards-freelance.dk | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.magaards-freelance.dk → 52.98.149.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mx01.magaards-freelance.dk |
| www CNAME | web01.posbox.dk (all on posbox.dk) → 81.7.186.80 (AS47292) |
| 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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101701 |
| 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 | 2015-12-09 |
| Expires | 2026-12-31 (67d) |
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 |
|---|---|---|---|
| 2026-10-17 16:20:16 shown | 423ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 08:11:47 | 487ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 02:06:50 | 8307ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 01:03:45 | 659ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 04:29:27 | 741ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 11:07:04 | 4755ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 12:57:05 | 7580ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 11:40:57 | 842ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 17:07:25 | 879ms | 2 NS 1 A 1 MX | 🔒 Secure |