dtkinfo.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 |
|---|---|---|---|
| ns1.curanet.dk | — | — | — |
| ns2.curanet.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.100 | — | vm1176.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | — | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| brevo-code:2407b78a0439d4ad09885c8430552f4a |
| v=spf1 a include:spf.curanet.dk include:dandomain.dk include:spf.brevo.com ~all |
| Policy | Record (dtkinfo.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:spf.curanet.dk include:dandomain.dk include:spf.brevo.com ~all |
| Policy | Record (_dmarc.dtkinfo.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www | 94.231.106.180 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 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: 15/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026031004 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 13:35:38 | 728ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-04 04:16:26 | 309ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 01:13:57 | 591ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 20:06:11 | 483ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-10 12:46:06 | 478ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-01 14:31:07 | 581ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 11:21:36 | 993ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 11:01:15 | 606ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 07:44:32 | 586ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 21:26:28 | 538ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 06:04:40 | 911ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 22:50:30 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 00:25:45 | 543ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 04:50:56 shown | 429ms | 2 NS 1 A 2 MX | 🔒 Secure |