rir.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 May 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 4 more. The zone is not DNSSEC-signed, 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.
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (rir.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.rir.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:5jkgceda@ag.eu.dmarcadvisor.com;ruf=mailto:5jkgceda@fr.eu.dmarcadvisor.com; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves rir.dk: no address www.rir.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 12-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2022045921 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | dns@beierholm.dk |
| Refresh | 10800s |
| Retry | 1080s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-05-13 |
| Expires | 2031-06-30 (1716d) |
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 |
|---|---|---|---|
| 2026-09-10 07:38:11 | 2386ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-09-07 01:39:10 | 1514ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-09-01 02:20:36 | 3086ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-30 06:00:11 | 3442ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-28 22:53:34 | 1522ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-27 20:21:52 | 1193ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-27 02:00:25 | 778ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-25 11:14:28 | 1086ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-24 23:07:31 | 1420ms | 2 NS 0 A 6 MX | ❓ Unknown |
| 2026-08-23 22:26:51 | 5900ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-22 21:45:30 | 2763ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-21 21:37:01 | 10509ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-20 21:33:54 | 3815ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-19 21:22:38 | 1495ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-18 21:12:12 shown | 3584ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-17 20:23:41 | 5354ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-16 10:08:20 | 3992ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-15 08:15:15 | 5612ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-14 06:45:24 | 6307ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-12 15:28:25 | 1318ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-11 07:07:04 | 7933ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-09 14:09:28 | 4738ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-08-07 21:55:14 | 1577ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-07-31 16:34:59 | 9738ms | 2 NS 0 A 6 MX | 🔓 Insecure |
| 2026-07-28 00:43:08 | 1644ms | 2 NS 0 A 6 MX | 🔓 Insecure |