martinvonseelen.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 14 April 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.12 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 212.237.249.12 | — | lb1.builder.nu | AS48854 | team.blue Denmark A/S | 212.237.248.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.dandomain.dk | 212.237.249.50 | mx1.dandomain.dk | AS48854 team.blue Denmark A/S |
| 20 | — | mx2.dandomain.dk | 46.36.209.11 | mx2.dandomain.dk | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| v=spf1 include:spf.dandomain.dk ?all |
| Policy | Record (martinvonseelen.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.dandomain.dk ?all |
| www CNAME | martinvonseelen.dk (all on martinvonseelen.dk) → 144.76.168.29 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 3/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2023061501 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | nordicway ApS |
| Registered | 2007-04-14 |
| Expires | 2027-04-30 (188d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 21:37:40 | 1281ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-18 23:50:41 | 714ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 18:44:17 | 720ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 22:13:27 | 9475ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 03:54:13 | 727ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-19 10:54:53 | 7220ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 00:55:21 | 901ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 15:34:41 | 995ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 21:41:14 | 677ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 18:30:42 | 1033ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 03:05:35 | 1130ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:20:51 shown | 738ms | 2 NS 1 A 2 MX | 🔒 Secure |