3rk.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.189 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod5-cph3.one.com, mx2.pub.mailpod5-cph3.one.com and 1 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.189 | 3600s | webcluster2.webpod17-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod5-cph3.one.com | 185.164.14.54 | mx1.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod5-cph3.one.com | 185.164.14.55 | mx2.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod5-cph3.one.com | 185.164.14.56 | mx3.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.30.215.189 |
| 🔶 Autoconfig | 46.30.215.189 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:106:80ef:937b:924d:f3fa | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.215.189 2a02:2350:5:106:80ef:937b:924d:f3fa (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network 3rk.dk: 46.30.215.189 2a02:2350:5:106:80ef:937b:924d:f3fa (AS51468) www.3rk.dk: 46.30.215.189 2a02:2350:5:106:80ef:937b:924d:f3fa (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | 05A6C261F69F69606097350AD7D47EB8… |
| SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | 05A6C261F69F69606097350AD7D47EB8… |
| SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | 05A6C261F69F69606097350AD7D47EB8… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091204 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 23:13:56 shown | 593ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-25 01:10:17 | 721ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-13 11:18:22 | 613ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-18 06:26:59 | 1115ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-13 19:02:23 | 4839ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-24 21:44:02 | 669ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-21 22:22:38 | 568ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 13:14:37 | 779ms | 2 NS 1 A 3 MX | 🔒 Secure |