matthesen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 February 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by smtp.google.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | 600s | domain-parking.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| google-site-verification=kEuWYn5A3iuvhe3it8i840qEqMna6TwrqUJh_JsN838 |
| google-site-verification=pDWbHKLpxu_7YUEx3ezfXmlqkpovOeqW8DcpneO_wrU |
| google-site-verification=Sg5-T3SZnjdHzcu6Y_VGG3eDcEPin7sudzRpS5AEmHM |
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (matthesen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| Policy | Record (_dmarc.matthesen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@matthesen.dk, mailto:dmarc@matthesen.dk; pct=100; adkim=s; aspf=s |
| 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 | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081201 |
| 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 | 2000-02-22 |
| Expires | 2030-03-31 (1256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 02:42:49 | 833ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 21:12:46 | 603ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 12:21:11 shown | 556ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 18:35:21 | 648ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 10:34:45 | 8807ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 18:25:14 | 1050ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 08:00:17 | 1340ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 10:52:04 | 1473ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 08:56:37 | 665ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 02:59:34 | 1160ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 13:20:34 | 2814ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-23 21:49:15 | 928ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 22:07:29 | 469ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 18:16:30 | 3837ms | 2 NS 1 A 1 MX | 🔒 Secure |