atax.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.70 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by atax-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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.231.103.70 | 3600s | linux48.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | 94.231.103.70 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| P-cVQ8L9VkvE |
| v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:spf.permido.com -all |
| Policy | Record (atax.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:spf.permido.com -all |
| www | 94.231.103.70 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.atax.dk | xHN9kfX6aN9KNyPTkOqlF2MS31T-8kOwgzk684zBQ-E |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025042300 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:10:44 | 1185ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 06:53:30 | 1241ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 18:59:13 | 1335ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 20:41:26 shown | 931ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 13:51:33 | 1428ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 05:42:39 | 882ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 07:48:24 | 1942ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:47:05 | 914ms | 4 NS 1 A 1 MX | 🔒 Secure |