learnbyjan.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 May 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| 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 | 77.111.241.120 |
| 🔶 Autoconfig | 77.111.241.120 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:104:80c1:76c5:14da:9cba | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.241.120 2a02:2350:5:104:80c1:76c5:14da:9cba (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network learnbyjan.dk: 77.111.241.120 2a02:2350:5:104:80c1:76c5:14da:9cba (AS51468) www.learnbyjan.dk: 77.111.241.120 2a02:2350:5:104:80c1:76c5:14da:9cba (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.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.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 |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-05-03 |
| Expires | 2027-05-31 (225d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 00:59:49 | 523ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-17 22:48:24 | 2487ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-07 19:23:17 | 1352ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-31 16:55:03 shown | 15802ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-08-28 07:09:11 | 843ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 09:16:42 | 1002ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-25 14:14:41 | 1916ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-24 21:29:30 | 1550ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 09:25:42 | 659ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 19:15:39 | 3070ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 22:02:07 | 917ms | 2 NS 1 A 4 MX | 🔒 Secure |