ktdk.dk is a .dk domain served by 2 nameservers (javier.ns.cloudflare.com, vivienne.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.221.207.21 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by ktdk-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 91.221.207.21 | 300s | rails6-oncotype.bluepipe.net | AS47292 | Sentia Denmark A/S | 91.221.206.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| TXT Record |
|---|
| MS=ms98685275 |
| v=spf1 include:spf.protection.outlook.com ~all |
| Policy | Record (ktdk.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.protection.outlook.com ~all |
| www CNAME | ktdk.dk (all on ktdk.dk) → 91.221.207.21 (AS47292) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-ktdk-dk._domainkey.ncf.r-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-ktdk-dk._domainkey.ncf.r-v1.dkim.mail.microsoft | 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417517886 |
| Primary NS (MNAME) | javier.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 15:55:36 shown | 1047ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 04:40:08 | 865ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 05:48:54 | 1786ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 13:09:42 | 1051ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 17:42:00 | 3361ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-17 00:12:15 | 5337ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 06:18:56 | 1705ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 12:00:50 | 1413ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 01:01:37 | 1272ms | 2 NS 1 A 1 MX | 🔓 Insecure |