s4e.dk is a .dk domain served by 2 nameservers (ns1.desec.io, ns2.desec.org). It was registered on 11 July 2017 (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.
| www | NXDOMAIN |
| www vs bare domain | Neither resolves s4e.dk: no address www.s4e.dk: no address |
| 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 |
| 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 | 996AD31D65E03F038B8EC950F6F26611… |
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | E41CC7633029AFDBA53744D7E5FC31EF… |
| SMTP _25._tcp.mxext2.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 | E41CC7633029AFDBA53744D7E5FC31EF… |
| SMTP _25._tcp.mxext3.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… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2024073163 |
| 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 | Domænehajen ApS |
| Registered | 2017-07-11 |
| Expires | 2027-07-31 (283d) |
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 |
|---|---|
| esskay.dk | Domænehajen ApS |
| morf.dk | Domænehajen ApS |
| svenne.dk | Domænehajen ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 09:08:07 | 758ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-09 01:31:07 | 2430ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-08 01:27:55 | 846ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-02 08:08:42 shown | 1314ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-01 08:05:15 | 648ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-27 21:57:02 | 992ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-25 14:49:53 | 1333ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-18 15:58:25 | 1341ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-13 10:02:07 | 1399ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-05 01:51:20 | 1589ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-27 18:42:34 | 1135ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-21 11:03:23 | 1793ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-15 02:45:23 | 3923ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-08 09:17:38 | 1452ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-01 10:08:31 | 2530ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-23 19:38:53 | 4463ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-17 00:47:08 | 1632ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-11 19:16:46 | 9242ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-03 14:39:32 | 2616ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-28 22:31:22 | 980ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-21 23:41:43 | 713ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-19 21:26:48 | 1002ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-18 20:24:10 | 6328ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-18 08:09:54 | 1812ms | 2 NS 0 A 3 MX | 🔒 Secure |