rathka.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 July 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.101.23.146 is hosted by DKTV A/S (AS15516) 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 |
|---|---|---|---|---|---|---|---|
| 91.101.23.146 | 600s | 91.101.23.146.generic-hostname.arrownet.dk | AS15516 | DKTV A/S | 91.100.0.0/15 | 🇩🇰 Denmark | Roskilde |
| TXT Record |
|---|
| protonmail-verification=bd0edacc57ca35404d52b5dca5c7921d98013664 |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (rathka.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.rathka.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · 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 | 2026060901 |
| 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 | 2012-07-22 |
| Expires | 2028-07-31 (645d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 15:50:23 | 857ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-17 23:15:49 | 778ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-07 14:03:54 | 1629ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 11:31:24 | 6182ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-12 13:28:32 | 1224ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 13:50:11 | 717ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 09:24:11 | 714ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 05:17:38 | 581ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 01:07:03 shown | 996ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 09:15:13 | 1187ms | 2 NS 1 A 2 MX | 🔒 Secure |