testassensskoler.dk is a .dk domain served by 5 nameservers (ns10.dnsarea.com, ns6.dnsarea.com, ns7.dnsarea.com and 2 more). It was registered on 4 December 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.41.180.133 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by testassensskoler-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 195.41.180.133 | 86400s | — | AS3292 | TDC Holding A/S | 195.41.0.0/16 | 🇩🇰 Denmark | Tommerup |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms17745495 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (testassensskoler.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.testassensskoler.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:628e503570098@dmarc.centerasecurity.com; |
| www | 195.41.180.133 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| 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 | fully validated |
| Field | Value |
|---|---|
| Serial | 2025020421 |
| Primary NS (MNAME) | ns6.dnsarea.com |
| Responsible (RNAME) | hostmaster@dnsarea.com |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-12-04 |
| Expires | 2026-12-31 (75d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 08:15:31 | 1588ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 14:53:57 shown | 1860ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 00:54:31 | 2049ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 22:01:17 | 25642ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 03:31:12 | 1276ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:14:53 | 4843ms | 5 NS 1 A 1 MX | 🔒 Secure |