2thiesen.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.209.75.195 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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 |
|---|---|---|---|---|---|---|---|
| 80.209.75.195 | 3600s | 80.209.75.195.static.fibianet.dk | AS44869 | FIBIA P/S | 80.209.0.0/17 | 🇩🇰 Denmark | Køge |
| TXT Record |
|---|
| protonmail-verification=2aca5b416028a454a020f5c53b7bd2a4e9795c9c |
| v=spf1 a mx ip4:80.209.75.195 include:_spf.protonmail.ch -all |
| Policy | Record (2thiesen.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:80.209.75.195 include:_spf.protonmail.ch -all |
| Policy | Record (_dmarc.2thiesen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 80.209.75.195 (AS44869) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2024053137 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:28:16 | 1072ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 02:00:05 | 804ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-18 00:37:57 | 883ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 05:47:32 shown | 693ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 00:46:59 | 635ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-08 19:43:01 | 33067ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-21 18:39:33 | 2197ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-18 03:18:51 | 11183ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-02 00:59:31 | 1126ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:54:41 | 1726ms | 3 NS 1 A 1 MX | 🔒 Secure |