kosu.dk is a .dk domain served by 3 nameservers (ns1.netsite.dk, ns2.netsite.eu, ns3.netsite.se). It was registered on 2 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.224.18.200 is hosted by Netsite A/S (AS205206) in Denmark. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.224.18.200 | 3600s | parked.netsite.host | AS205206 | Netsite A/S | 185.224.16.0/22 | 🇩🇰 Denmark | — |
| 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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092401 |
| Primary NS (MNAME) | ns1.netsite.dk |
| Responsible (RNAME) | hostmaster@netsite.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Netsite A/S |
| Registered | 2023-03-02 |
| Expires | 2027-03-01 (133d) |
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 |
|---|---|---|---|
| 2026-10-16 14:05:43 | 378ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-09 13:47:31 | 463ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 11:32:29 | 2430ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-06 02:26:58 | 470ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 02:01:13 | 506ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 09:14:27 | 2242ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 19:18:08 | 424ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 15:56:47 shown | 444ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-19 12:34:00 | 2333ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-16 21:21:48 | 493ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-05 21:11:15 | 473ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 14:40:12 | 379ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 17:26:53 | 724ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-13 07:42:57 | 1418ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-09 05:27:45 | 687ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-06 07:41:13 | 1278ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-23 05:46:09 | 807ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-17 01:42:47 | 648ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-10 01:37:15 | 2547ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 14:47:34 | 531ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-26 05:53:17 | 421ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-24 22:02:11 | 1780ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-22 05:34:11 | 1171ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 23:49:53 | 505ms | 3 NS 1 A 0 MX | 🔒 Secure |