exunum.dk is a .dk domain served by 2 nameservers (ns1.desec.io, ns2.desec.org). It was registered on 6 September 2012 (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, 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.
| TXT Record |
|---|
| v=spf1 include:mailbox.org ~all |
| Policy | Record (exunum.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mailbox.org ~all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 2 CDS, 1 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 | 4758AF6F02DFB5DC8795FA402E77A8A0… |
| 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.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 | E41CC7633029AFDBA53744D7E5FC31EF… |
| SMTP _25._tcp.mxext3.mailbox.org | DANE-EE · SPKI · SHA-256 | 4758AF6F02DFB5DC8795FA402E77A8A0… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025083655 |
| Primary NS (MNAME) | get.desec.io |
| Responsible (RNAME) | get@desec.io |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2012-09-06 |
| 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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 07:03:57 | 827ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-09 15:05:58 | 3079ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-02 11:32:00 | 1316ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-26 10:44:12 | 3558ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-25 03:30:20 | 1522ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 03:11:39 | 2644ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-19 02:07:47 | 2965ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-12 01:04:07 | 2802ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-06 13:12:05 | 1163ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-31 13:57:15 | 1272ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-28 07:26:08 | 3130ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-26 07:18:29 | 671ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-21 11:46:52 | 19198ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-14 00:47:34 | 2232ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-08 13:38:06 | 17337ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-31 00:43:57 | 2826ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-24 12:13:26 shown | 8986ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-18 19:21:39 | 2619ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-12 08:43:24 | 1384ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-03 13:06:59 | 6365ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-28 07:06:25 | 805ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-26 02:50:44 | 683ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-20 13:12:00 | 773ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-19 07:31:24 | 1640ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-17 09:10:04 | 4069ms | 2 NS 0 A 3 MX | 🔒 Secure |