kronborg-itsikkerhed.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 December 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.162 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod13-cph3.one.com, mx2.pub.mailpod13-cph3.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.162 | — | webcluster2.webpod17-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:106:8017:6fb6:a0fa:3083 | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve kronborg-itsikkerhed.dk: 104.21.4.112 172.67.132.5 2606:4700:3031::ac43:8405 2606:4700:3033::6815:470 (AS13335) (all like this)www.kronborg-itsikkerhed.dk: no address |
| Wildcard | No |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | 7923F8E70F50B8C6DFFC5E73814B9D2D… |
| SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | 7923F8E70F50B8C6DFFC5E73814B9D2D… |
| SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | 7923F8E70F50B8C6DFFC5E73814B9D2D… |
| SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | 7923F8E70F50B8C6DFFC5E73814B9D2D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061701 |
| 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 | Simply.com A/S |
| Registered | 2024-12-02 |
| Expires | 2026-12-01 (36d) |
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 |
|---|---|
| christiankronborg.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-25 07:55:05 | 470ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-22 13:39:51 | 499ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 17:42:23 | 2355ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-22 08:27:27 | 1413ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-15 07:24:13 | 9975ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-09 09:55:21 | 733ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-03 09:10:26 | 736ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-13 15:23:05 | 942ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-23 21:06:58 | 982ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-17 00:16:47 | 9005ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 14:44:55 | 1156ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 03:53:31 | 1131ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 19:31:56 shown | 850ms | 2 NS 1 A 4 MX | 🔒 Secure |