knudsker-koel.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.137.135.228 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by knudskerkoel-dk02b.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 94.137.135.228 | — | — | AS48854 | team.blue Denmark A/S | 94.137.128.0/20 | 🇩🇰 Denmark | Bagsværd |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| MS=ms64915771 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (knudsker-koel.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 94.137.135.228 (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-knudskerkoel-dk02b._domainkey.knudskerel.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 | 2024050701 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 14:03:16 | 646ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 05:31:22 | 1063ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 19:54:41 | 2680ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 11:19:13 | 7083ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 03:24:19 | 13485ms | 0 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-18 00:11:00 shown | 905ms | 2 NS 1 A 1 MX | 🔒 Secure |