windows2k.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 October 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by windows2k-dk.mail.eo.outlook.com. 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | 130.185.128.26 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms68973617 |
| v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email; |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (windows2k.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-windows2k-dk._domainkey.msteamdk.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026093001 |
| 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 | 2000-10-03 |
| Expires | 2028-12-31 (817d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 18:38:51 | 439ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 18:19:20 shown | 1631ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-29 18:04:56 | 742ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-23 16:17:58 | 648ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-12 05:31:13 | 538ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-25 13:42:18 | 1430ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 03:34:55 | 1663ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 13:07:00 | 2663ms | 2 NS 0 A 1 MX | 🔒 Secure |