dtkas.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 December 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 16 October 2026, when it moved from direct registration at Punktum to Eurodns S.A. Its website address 185.21.40.74 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by dtkas-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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.74 | — | linux82.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| MS=ms84029421 |
| v=spf1 ip4:31.209.188.114 ip4:193.104.43.14 ip4:194.239.235.17 include:spf.protection.outlook.com -all |
| Policy | Record (dtkas.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:31.209.188.114 ip4:193.104.43.14 ip4:194.239.235.17 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.dtkas.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 185.21.40.74 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-dtkas-dk._domainkey.dtkas.onmicrosoft.com | RSA · ~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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026041301 |
| 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 | Eurodns S.A |
| Registered | 2018-12-07 |
| 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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 13:34:38 | 1764ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-15 11:02:56 | 859ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 21:33:08 | 1520ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 14:41:06 | 968ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 14:31:37 | 1065ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 23:22:30 | 1173ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 19:28:49 | 1153ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 10:19:38 | 1030ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 14:21:42 | 3313ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 04:50:43 shown | 557ms | 2 NS 1 A 1 MX | 🔒 Secure |