tjorning.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 October 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by tjorning-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (tjorning.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | Address record (no CNAME) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-tjorning-dk._domainkey.tjorning.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026100501 |
| 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 | 2014-10-22 |
| Expires | 2027-10-31 (390d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 16:33:01 shown | 2462ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-24 14:35:45 | 3026ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-21 21:50:37 | 957ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-30 13:45:26 | 826ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-27 08:53:15 | 596ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-28 13:30:43 | 5164ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-21 01:32:41 | 720ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-18 01:24:48 | 6531ms | 2 NS 0 A 1 MX | 🔒 Secure |