tematema.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 February 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.16 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.tematema.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.41.16 | 600s | vm0287.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.tematema.dk | 89.163.255.98 | — | AS24961 WIIT AG |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | tematema.dk → 185.21.41.16 |
| 🔶 Autoconfig | tematema.dk → 185.21.41.16 |
| TXT Record |
|---|
| MS=ms52918871 |
| MS=ms63052380 |
| MS=ms68726297 |
| MS=ms73443766 |
| www CNAME | tematema.dk (all on tematema.dk) → 185.21.41.16 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.tematema.dk | tematema.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101401 |
| 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 | 2011-02-08 |
| Expires | 2027-02-28 (131d) |
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 |
|---|---|---|---|
| 2026-10-19 19:41:48 | 1107ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 15:02:20 shown | 1081ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 21:20:06 | 926ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 05:54:57 | 1555ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 14:07:31 | 3175ms | 2 NS 1 A 1 MX | 🔒 Secure |