coark.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 September 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by coark-dk.mail.protection.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (coark.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
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 | 2026030301 |
| 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 | 2018-09-10 |
| Expires | 2026-09-30 (expired) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 14:32:29 | 123ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-01 14:29:18 | 853ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-04 04:37:55 | 1356ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-14 20:29:21 | 5478ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-25 14:39:26 | 1078ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-22 06:25:32 | 861ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 02:36:05 | 4746ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 21:35:04 shown | 790ms | 2 NS 0 A 1 MX | 🔒 Secure |