petermarkersen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 December 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.252 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.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 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.252 | 3600s | webcluster2.wordpresspod1-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.mailpod15-cph3.g1i.one.com | 104.37.35.36 | mx1.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod15-cph3.g1i.one.com | 104.37.35.37 | mx2.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod15-cph3.g1i.one.com | 104.37.35.38 | mx3.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod15-cph3.g1i.one.com | 104.37.35.39 | mx4.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.240.252 |
| 🔶 Autoconfig | 77.111.240.252 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:101:80e1:8e06:57e8:5900 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.252 2a02:2350:5:101:80e1:8e06:57e8:5900 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network petermarkersen.dk: 77.111.240.252 2a02:2350:5:101:80e1:8e06:57e8:5900 (AS51468) www.petermarkersen.dk: 77.111.240.252 2a02:2350:5:101:80e1:8e06:57e8:5900 (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.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | FEA3731F9349938931D39CCE9FCE17B7… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | FEA3731F9349938931D39CCE9FCE17B7… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | FEA3731F9349938931D39CCE9FCE17B7… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | FEA3731F9349938931D39CCE9FCE17B7… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101002 |
| 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 | 2011-12-04 |
| Expires | 2029-12-31 (1171d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 10:44:25 shown | 526ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-10 10:00:14 | 914ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-09 09:37:24 | 2882ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-07 17:47:41 | 584ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 07:33:59 | 674ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-27 16:36:06 | 666ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 17:10:10 | 1102ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-11 22:20:26 | 1077ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 07:11:41 | 848ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 15:04:43 | 10924ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 23:28:48 | 2740ms | 2 NS 1 A 4 MX | 🔒 Secure |