johnmejlgren.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 April 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.159 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.159 | 21600s | webcluster1.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.mailpod11-cph3.one.com | 104.37.34.230 | mx1.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 | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.240.159 |
| 🔶 Autoconfig | 77.111.240.159 |
| www CNAME | custom-domains.chatgpt.site (all on chatgpt.site) |
| www vs bare domain | Same network johnmejlgren.dk: 162.159.143.30 172.66.3.26 (AS13335) www.johnmejlgren.dk: 104.18.22.186 104.18.23.186 2606:4700::6812:16ba 2606:4700::6812:17ba (AS13335) |
| 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 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061803 |
| 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 | 2009-04-08 |
| Expires | 2027-04-30 (189d) |
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).
| Domain | Registrar |
|---|---|
| jobmatchdanmark.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 03:01:04 | 2428ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-27 01:20:10 | 622ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-23 08:50:30 | 775ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-16 07:51:54 | 852ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-08 13:31:49 | 595ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 21:54:29 | 939ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 22:53:14 | 645ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 22:11:32 | 3858ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-17 17:24:27 | 5413ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 14:38:33 | 731ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 05:21:03 | 2918ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 10:29:30 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 11:41:52 | 1443ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 11:48:24 shown | 1212ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 02:06:26 | 862ms | 2 NS 1 A 4 MX | 🔒 Secure |