31.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 66.6.44.4 is hosted by Automattic, Inc (AS2635) in United States. Mail is handled by mx4.pub.mailpod11-cph3.one.com, mx3.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 66.6.44.4 | 43200s | — | AS2635 | Automattic, Inc | 66.6.40.0/21 | 🇺🇸 United States | Ashburn |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| 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.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Key type | Algorithm | Public key |
|---|---|---|
| KSK | ECDSA P-256/SHA-256 | tLHH/LfB7Rltqfzu5JTuZUxOvaWRstKC9Oq8TDng… |
| ZSK | ECDSA P-256/SHA-256 | dBOLeXvfPTQHmhRi5MwMojRk5FCx0X7PJCLHkDQ6… |
| Field | Value |
|---|---|
| Serial | 2026030601 |
| 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 |
|---|---|---|---|
| 2026-09-28 01:17:09 | 1092ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 23:56:00 | 1001ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 14:30:20 | 1944ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-15 16:27:22 shown | 1603ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-26 17:49:26 | 5524ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-20 20:49:14 | 5277ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-05 00:45:00 | 2396ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 10:01:35 | 2033ms | 2 NS 1 A 4 MX | ⚠️ Bogus |
| 2026-06-23 07:28:15 | 941ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 01:56:52 | 1801ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 12:46:15 | 1100ms | 2 NS 1 A 4 MX | 🔒 Secure |