0x0d.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 May 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mxext1.mailbox.org, mxext2.mailbox.org and 1 more. The zone is DNSSEC-signed and validates, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mxext1.mailbox.org | 80.241.60.212 | mx1.mailbox.org | AS199118 Heinlein Support GmbH |
| 10 | — | mxext2.mailbox.org | 80.241.60.215 | mx2.mailbox.org | AS199118 Heinlein Support GmbH |
| 20 | — | mxext3.mailbox.org | 80.241.60.216 | mx3.mailbox.org | AS199118 Heinlein Support GmbH |
| TXT Record |
|---|
| v=spf1 include:mailbox.org -all |
| Policy | Record (0x0d.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:mailbox.org -all |
| Policy | Record (_dmarc.0x0d.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:aggregated@0x0d.dk;ruf=mailto:forensic@0x0d.dk |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | E41CC7633029AFDBA53744D7E5FC31EF… |
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | 996AD31D65E03F038B8EC950F6F26611… |
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | 4758AF6F02DFB5DC8795FA402E77A8A0… |
| SMTP _25._tcp.mxext2.mailbox.org | DANE-EE · SPKI · SHA-256 | 4758AF6F02DFB5DC8795FA402E77A8A0… |
| SMTP _25._tcp.mxext2.mailbox.org | DANE-EE · SPKI · SHA-256 | 996AD31D65E03F038B8EC950F6F26611… |
| SMTP _25._tcp.mxext2.mailbox.org | DANE-EE · SPKI · SHA-256 | E41CC7633029AFDBA53744D7E5FC31EF… |
| SMTP _25._tcp.mxext3.mailbox.org | DANE-EE · SPKI · SHA-256 | 996AD31D65E03F038B8EC950F6F26611… |
| SMTP _25._tcp.mxext3.mailbox.org | DANE-EE · SPKI · SHA-256 | 4758AF6F02DFB5DC8795FA402E77A8A0… |
| SMTP _25._tcp.mxext3.mailbox.org | DANE-EE · SPKI · SHA-256 | E41CC7633029AFDBA53744D7E5FC31EF… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026052001 |
| 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 | 2020-05-22 |
| Expires | 2028-05-31 (592d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 11:49:13 | 2439ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-10-01 04:07:58 | 736ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-09-26 12:03:35 | 1349ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-09-20 08:52:53 | 2066ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-09-06 05:59:11 | 2562ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-08-20 01:14:29 | 3465ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-08-09 10:50:23 | 1247ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-07-21 00:22:14 | 17213ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-26 16:31:45 | 950ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-16 12:33:49 shown | 1510ms | 2 NS 0 A 3 MX | 🔒 Secure |