mortenjonassen.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 11 July 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 94.231.103.135 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| Policy | Record (_dmarc.mortenjonassen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 94.231.103.135 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2008-07-11 |
| Expires | 2027-07-31 (281d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 22:36:36 | 1455ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-11 18:08:30 | 626ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-01 22:00:33 | 827ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 00:17:56 | 1282ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 06:47:16 | 648ms | 4 NS 1 A 2 MX | ⚠️ Bogus |
| 2026-06-20 02:07:23 shown | 4593ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-17 12:10:57 | 790ms | 4 NS 1 A 2 MX | 🔒 Secure |