cyberkursus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | — | domain-parking.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| www | 185.224.18.200 (AS205206) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | F9CAE2DF0FCB54F04130769823BED77A… |
| SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | F9CAE2DF0FCB54F04130769823BED77A… |
| SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | F9CAE2DF0FCB54F04130769823BED77A… |
| SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | F9CAE2DF0FCB54F04130769823BED77A… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026030101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 22:59:22 | 475ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 11:34:23 | 1526ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 10:01:30 | 540ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 07:02:37 | 454ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 18:46:38 | 1303ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 18:10:04 | 2445ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 09:23:59 | 519ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-18 14:48:15 | 550ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-11 15:17:12 | 611ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 19:22:35 | 555ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 05:48:39 | 389ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 03:31:38 | 1321ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 08:33:30 | 1669ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 11:52:42 | 673ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-01 08:25:04 | 743ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 06:23:23 | 652ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 08:14:57 | 1864ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 23:22:59 | 602ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 23:20:33 shown | 643ms | 2 NS 1 A 4 MX | 🔒 Secure |