portone.dk is a .dk domain with no delegation in this scan. It was registered on 3 March 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. 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 | — | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| www | 94.231.103.100 (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.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| Check | Result |
|---|---|
| Validation Status | Not applicable: the domain has no delegation, so there is no zone to validate (stored verdict: 🔒 Secure). |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2013-03-03 |
| Expires | 2027-03-31 (157d) |
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 |
|---|---|
| henrylindahl.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 02:28:49 | 452ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-21 17:13:48 | 414ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 06:24:32 | 419ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 09:00:05 | 521ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 10:38:34 | 621ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 10:35:11 | 503ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 18:11:08 | 553ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 03:26:21 | 825ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:26:14 shown | 5001ms | 0 NS 0 A 1 MX | 🔒 Secure |