clausp.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 December 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.101.73 is hosted by team.blue Denmark A/S (AS48854) 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 |
|---|---|---|---|---|---|---|---|
| 94.231.101.73 | 43200s | linux15.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| protonmail-verification=1da63ef560fc5600b862258367f9d1566e361e8e |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (clausp.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.clausp.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www CNAME | clausp.dk (all on clausp.dk) → 94.231.101.73 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.clausp.dk | clausp.dk |
| TXT | clausp.dk | protonmail-verification=1da63ef560fc5600b862258367f9d1566e361e8e |
| 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 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091001 |
| 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 | 2001-12-03 |
| Expires | 2026-12-31 (70d) |
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).
| Domain | Registrar |
|---|---|
| claus-pedersen.dk | Punktum dk A/S (direct) |
| frejap.dk | Punktum dk A/S (direct) |
| oliver-p.dk | Punktum dk A/S (direct) |
| oliversp.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 01:40:03 | 1852ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-07 17:03:15 | 580ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-22 16:07:29 shown | 889ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-14 07:39:23 | 787ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-14 06:54:51 | 1326ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-13 06:57:46 | 1062ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-29 03:18:23 | 5409ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-17 22:38:26 | 6637ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-13 04:46:22 | 5259ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 01:20:00 | 845ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 13:31:34 | 2679ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 21:10:40 | 695ms | 2 NS 1 A 2 MX | 🔒 Secure |