crown.dk is a .dk domain served by 4 nameservers (ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.102.21.198 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by crown-dk.mail.protection.outlook.com. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 23.102.21.198 | 3600s | — | AS8075 | Microsoft Corporation | 23.102.0.0/16 | 🇮🇪 Ireland | Dublin |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| itinstituttet.azurewebsites.net |
| mscid=hRqQb0phSeDozVxrTzjt1CrJKTCku03YO3dXgSDrPIcOkSuPl7Qyx1oo2KMoamUHK60hZEb7up0vTNy5CQnGRg== |
| v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all |
| Policy | Record (crown.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all |
| www CNAME | itinstituttet.azurewebsites.net (all on azurewebsites.net) → 23.102.21.198 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'crown.dk/DS/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1.bdm.microsoftonline.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 03:24:05 | 1135ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 03:26:05 | 1123ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 23:10:28 | 866ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-10 12:39:50 | 892ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 09:51:15 shown | 925ms | 4 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-18 12:30:22 | 6165ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:31:15 | 42891ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 23:08:03 | 556ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:02:11 | 2021ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:01:36 | 621ms | 4 NS 1 A 1 MX | 🔓 Insecure |