windows10-kurser.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 November 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.184.33.122 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 195.184.33.122 | 600s | — | AS3292 | TDC Holding A/S | 195.184.32.0/19 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.184.33.122 |
| 🔶 Autoconfig | 195.184.33.122 |
| www | 195.184.33.122 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101901 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2016-11-09 |
| Expires | 2026-11-30 (40d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 04:08:11 shown | 3067ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-19 03:21:37 | 488ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 22:50:13 | 4600ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 23:55:24 | 771ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 13:21:24 | 5148ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-22 04:31:59 | 6808ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 01:32:35 | 828ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 12:57:12 | 2444ms | 2 NS 1 A 4 MX | 🔒 Secure |