jsk.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by jsk-dk.mail.protection.outlook.com, mail.thornton.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (jsk.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
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 | 2026040401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 09:32:48 | 1294ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-26 16:48:27 shown | 1882ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-26 13:48:15 | 1299ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-21 10:16:07 | 1129ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 08:22:46 | 793ms | 2 NS 0 A 2 MX | ⚠️ Bogus |
| 2026-06-20 03:28:20 | 847ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-19 15:17:24 | 636ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-17 19:51:00 | 974ms | 2 NS 0 A 2 MX | 🔒 Secure |