swx.dk is a .dk domain served by 2 nameservers (ns1.desec.io, ns2.desec.org). It was registered on 5 August 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smtp1.mailfence.com, smtp2.mailfence.com. The zone is DNSSEC-signed and validates, publishes a 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | smtp1.mailfence.com | 212.3.242.78 | smtp1.mailfence.com | AS3356 Level 3 Parent, LLC |
| 10 | 3600s | smtp2.mailfence.com | 212.3.242.79 | smtp2.mailfence.com | AS3356 Level 3 Parent, LLC |
| TXT Record |
|---|
| v=spf1 include:_spf.mailfence.com -all |
| Policy | Record (swx.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.mailfence.com -all |
| Policy | Record (_dmarc.swx.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; adkim=s; aspf=s; sp=reject; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves swx.dk: no address www.swx.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 |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.smtp1.mailfence.com | DANE-EE · SPKI · SHA-256 | 1FC09052127013E1C9EDAD4226D28D9E… |
| SMTP _25._tcp.smtp1.mailfence.com | DANE-EE · SPKI · SHA-256 | B778BEAED5BF68C730C018086BC666E0… |
| SMTP _25._tcp.smtp2.mailfence.com | DANE-EE · SPKI · SHA-256 | 1FC09052127013E1C9EDAD4226D28D9E… |
| SMTP _25._tcp.smtp2.mailfence.com | DANE-EE · SPKI · SHA-256 | B778BEAED5BF68C730C018086BC666E0… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025075865 |
| 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 | 2010-08-05 |
| Expires | 2027-08-31 (318d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 21:25:53 shown | 1213ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-09 11:11:35 | 797ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-02 07:33:36 | 1036ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-25 05:40:57 | 957ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-23 01:39:24 | 1315ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-20 16:42:01 | 1257ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-11 18:01:27 | 950ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-04 13:09:53 | 1322ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-02 19:17:00 | 774ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-28 04:49:15 | 1152ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-25 16:42:36 | 1154ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-21 03:36:36 | 7310ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-13 18:37:39 | 1013ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-07 07:48:58 | 10066ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-03 03:42:50 | 1419ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-24 13:25:12 | 3126ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-17 12:34:36 | 1707ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-10 21:09:14 | 4896ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-03 17:53:08 | 1317ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-28 04:41:55 | 2433ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-27 12:17:53 | 1055ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-21 13:02:25 | 620ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-21 11:47:30 | 1379ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-17 13:11:20 | 641ms | 2 NS 0 A 2 MX | 🔒 Secure |