dkrt.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 5 September 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.158.24 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by dkrt-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 |
|---|---|---|---|
| ns.dandomain.dk | — | — | — |
| ns2.dandomain.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 93.191.158.24 | — | linux18.dandomain.dk | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| facebook-domain-verification=hrbt25t61franr4kn0n2n19anna3gf |
| MS=ms19075800 |
| v=spf1 include:spf.protection.outlook.com include:send.heyloyalty.com include:spf.exclaimer.net include:spf.dandomain.dk ip4:77.213.66.244 ip4:152.115.114.230 ip4:194.150.113.190 ip4:152.115.114.230 -all |
| Policy | Record (dkrt.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:send.heyloyalty.com include:spf.exclaimer.net include:spf.dandomain.dk ip4:77.213.66.244 ip4:152.115.114.230 ip4:194.150.113.190 ip4:152.115.114.230 -all |
| Policy | Record (_dmarc.dkrt.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:s4np1m3y@ag.dmarcian-eu.com; |
| www | 93.191.158.24 (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 |
|---|---|---|
| selector1 | selector1-dkrt-dk._domainkey.tndk1019723.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-dkrt-dk._domainkey.tndk1019723.onmicrosoft.com | 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: 6/10 · 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 | 2025101401 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-09-05 |
| Expires | 2032-09-30 (2174d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 20:02:38 | 1224ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 18:39:35 | 1017ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 07:37:31 | 643ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 13:33:59 | 1103ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 01:28:42 | 1070ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 03:50:41 shown | 1353ms | 2 NS 1 A 1 MX | 🔒 Secure |