cornerstones.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 185.21.41.111 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by cornerstones-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 185.21.41.111 | 3600s | linux17.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | 185.21.41.111 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| anthropic-domain-verification-jm3p9a=9Xp1T8O3MACQmwxUdESDyUoCI |
| google-site-verification=PkwmueI4h4SafMfOyh_sQGqP9flrOHyQCe-BwjaP-IQ |
| MS=ms34514341 |
| mscid=1rXy1AKdRTolodnxDTpA9ft68S4DUk+y8GdOQ/deimmImMQ1VMKh0+Lj8b0XtEz1vCW5Ibw9IazsAno3z5NVmA== |
| v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all |
| Policy | Record (cornerstones.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all |
| Policy | Record (_dmarc.cornerstones.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none; |
| www | 185.21.41.111 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 4/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.cornerstones.dk | cornerstones.dk.acme.service.one.com |
| 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 | 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 |
|---|---|---|---|
| 2026-10-04 04:20:04 shown | 1237ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 20:09:01 | 1233ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 00:03:31 | 656ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 19:58:49 | 870ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 00:55:05 | 3100ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 14:31:59 | 1947ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 22:48:52 | 2290ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 22:30:20 | 779ms | 4 NS 1 A 1 MX | 🔓 Insecure |