clschmidt.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 1 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.17 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.dandomain.dk | — | — | — |
| ns2.dandomain.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 212.237.249.17 | — | splash.dandomain.dk | AS48854 | team.blue Denmark A/S | 212.237.248.0/23 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| hibp-verify=dweb_2wk6zg76obzm3kqyvtag4vt6 |
| protonmail-verification=6eade5ed8d339924ee6c62c03812c595828d4ba2 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (clschmidt.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.clschmidt.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 212.237.249.17 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| 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 | 2025070109 |
| 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 | DANDOMAIN A/S |
| Registered | 2025-07-01 |
| Expires | 2027-06-30 (249d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 17:27:51 | 439ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 12:19:44 | 1083ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 10:48:45 | 432ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 01:28:22 | 619ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 14:03:26 | 571ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 21:38:49 | 720ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-27 03:16:08 | 2339ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 22:40:16 | 3157ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 07:34:44 | 1170ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 21:25:37 shown | 712ms | 2 NS 1 A 2 MX | 🔒 Secure |