xymon.dk is a .dk domain served by 2 nameservers (ivan.ns.cloudflare.com, kallie.ns.cloudflare.com). It was registered on 7 November 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.hswn.dk. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.hswn.dk | 135.181.44.35 2a01:4f9:c010:cf09::1 |
mail3.hswn.dk mail3.hswn.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| google-site-verification=NGB5u9xsnUtTbl_vJGzEBefUphgMAc-skGUkkFz2nUs |
| v=spf1 mx ip4:135.181.44.35 ip6:2a01:4f9:c010:cf09::1/128 ~all |
| Policy | Record (xymon.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ip4:135.181.44.35 ip6:2a01:4f9:c010:cf09::1/128 ~all |
| Policy | Record (_dmarc.xymon.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; fo=0; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | Exists, no address |
| www vs bare domain | Neither resolves xymon.dk: no address www.xymon.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.hswn.dk | DANE-EE · Full cert · SHA-256 | 360DAEC43A4515FB3C4E9D726963924B… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2408744866 |
| Primary NS (MNAME) | ivan.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-11-07 |
| Expires | 2035-11-30 (3324d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 06:37:40 | 2051ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-09 22:46:25 | 1052ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 04:21:05 | 974ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-20 10:41:54 | 1323ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-17 06:24:52 | 1161ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-22 20:26:15 | 2884ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-18 19:56:58 | 3777ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-05 10:38:47 | 2179ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-21 12:13:21 | 9676ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-05 21:33:17 shown | 1679ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-23 01:23:30 | 4075ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-22 11:37:08 | 1147ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 19:32:57 | 1104ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 22:19:58 | 1582ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 23:42:32 | 1124ms | 2 NS 0 A 1 MX | 🔒 Secure |