ksdu.dk is a .dk domain served by 2 nameservers (danica.ns.cloudflare.com, lewis.ns.cloudflare.com). It was registered on 26 June 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.221.196.226 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by web7.netplads.dk. 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 |
|---|---|---|---|---|---|---|---|
| 91.221.196.226 | 300s | — | AS51468 | One.com A/S | 91.221.196.0/23 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | web7.netplads.dk | 91.221.196.226 | — | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.221.196.226 |
| 🔶 Autoconfig | 91.221.196.226 |
| TXT Record |
|---|
| _globalsign-domain-verification=JRvYfZ2RiSpeNvZmyTwFUGqzvjXZ6TiAdJWuOIgc7U |
| 55dVOQbIdeb3wHk/c16Mh1msNfwGFmhw2pDbVzrHSdQ= |
| M4fsn8Fx1TRx6GxWhSQk5S1QV94VJiufVLa8WOVPGoI= |
| www | 91.221.196.226 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2418147875 |
| Primary NS (MNAME) | danica.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2019-06-26 |
| Expires | 2029-06-30 (976d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 18:12:36 shown | 547ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 03:49:15 | 917ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 02:36:48 | 2269ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 02:01:34 | 570ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 13:21:11 | 570ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 11:52:49 | 1044ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 13:43:17 | 5350ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 15:39:30 | 3503ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 21:28:46 | 1310ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 07:49:20 | 1113ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 08:46:00 | 843ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 02:57:27 | 1973ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 20:11:16 | 744ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 18:45:36 | 1067ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 06:56:52 | 1148ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 13:32:51 | 739ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 22:06:28 | 670ms | 2 NS 1 A 1 MX | 🔒 Secure |