cø.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.131 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod9-cph3.one.com, mx2.pub.mailpod9-cph3.one.com and 2 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 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.131 | 3600s | webcluster4.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod9-cph3.one.com | 185.164.14.118 | mx1.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod9-cph3.one.com | 185.164.14.119 | mx2.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod9-cph3.one.com | 185.164.14.120 | mx3.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod9-cph3.one.com | 185.164.14.124 | mx4.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:1e:699f:defa:1aca | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | NXDOMAIN |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | ncache nxdomain overridden by dig AD |
| Field | Value |
|---|---|
| Serial | 2026061101 |
| 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 | 2020-09-01 |
| Expires | 2026-09-30 (expired) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 02:03:40 | 299ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-19 11:25:46 | 95ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-18 11:17:27 | 334ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-17 10:53:55 | 229ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-15 07:44:32 | 120ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-14 06:23:22 | 412ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-12 17:46:43 | 122ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-11 16:43:17 | 104ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-10 16:04:02 | 320ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-09 02:19:06 | 262ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-08 02:16:27 | 228ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-06 01:29:56 | 105ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-05 01:28:50 | 238ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-04 01:11:35 | 145ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-03 01:10:52 | 312ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-02 01:09:48 | 936ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-01 01:05:16 | 358ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 06:04:32 | 479ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-28 05:22:17 | 408ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-27 05:08:33 | 417ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 04:59:57 | 428ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-25 04:28:18 | 436ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 04:02:24 | 482ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-23 00:16:35 | 418ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-19 08:46:21 | 458ms | 2 NS 0 A 0 MX | 🔒 Secure |