atja.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 September 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by atja-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | atja-dk.mail.protection.outlook.com | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms58162946 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (atja.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | atja.sharepoint.com (all on sharepoint.com) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.atja.dk |
| www vs bare domain | Neither resolves atja.dk: no address www.atja.dk: no address |
| 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 | 2026101301 |
| 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 | 2011-09-29 |
| Expires | 2027-09-30 (338d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| kortisolpumpen.dk | ONE.COM A/S |
| medicinpumpen.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 13:22:57 shown | 1116ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 01:37:14 | 626ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 16:41:08 | 1164ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-15 23:54:58 | 867ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-28 09:15:12 | 731ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-14 20:30:48 | 2701ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-16 14:52:22 | 1423ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-01 16:22:58 | 652ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-26 21:32:50 | 1250ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-22 13:48:22 | 730ms | 2 NS 0 A 1 MX | ⚠️ Bogus |
| 2026-06-20 21:35:29 | 915ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 05:15:58 | 571ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 13:48:22 | 1609ms | 2 NS 0 A 1 MX | 🔒 Secure |