kastruplarsen.dk is a .dk domain served by 2 nameservers (ns.cohaesio.net, ns2.cohaesio.net). It was registered on 25 May 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail1.cohaesio.net, mail2.cohaesio.net. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|
| ns.cohaesio.net | 217.30.38.181 | dns1.sentia.dk | AS47292 Sentia Denmark A/S |
| ns2.cohaesio.net | 217.30.38.27 | dns2.sentia.dk | AS47292 Sentia Denmark A/S |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail1.cohaesio.net | 212.97.129.16 | ns.cohaesio.net | AS47292 Sentia Denmark A/S |
| 20 | 86400s | mail2.cohaesio.net | 212.97.129.17 | ns2.cohaesio.net | AS47292 Sentia Denmark A/S |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves kastruplarsen.dk: no address www.kastruplarsen.dk: no address |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'kastruplarsen.dk/DS/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2000073172 |
| Primary NS (MNAME) | ns.cohaesio.net |
| Responsible (RNAME) | root@ns.cohaesio.net |
| Refresh | 3600s |
| Retry | 900s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-05-25 |
| Expires | 2027-06-30 (247d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 13:32:03 | 816ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-24 07:54:33 shown | 707ms | 2 NS 0 A 2 MX | ❓ Unknown |
| 2026-06-18 03:34:20 | 1222ms | 2 NS 0 A 2 MX | 🔓 Insecure |