bygningskontrol.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.31.36.240 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by bygningskontrol-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns1.cscdns.net | — | — | — |
| dns2.cscdns.net | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 20.31.36.240 | — | — | AS8075 | Microsoft Corporation | 20.0.0.0/11 | 🇳🇱 The Netherlands | Amsterdam |
| TXT Record |
|---|
| MS=ms70443134 |
| v=spf1 include:spf.protection.outlook.com include:spf.mailanyone.net ip4:62.243.225.110 -all |
| Policy | Record (bygningskontrol.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.mailanyone.net ip4:62.243.225.110 -all |
| Policy | Record (_dmarc.bygningskontrol.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; sp=reject; adkim=s; aspf=s; fo=1; |
| www CNAME | bygningskontrol.dk (all on bygningskontrol.dk) → 20.31.36.240 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-bygningskontrol-dk._domainkey.polygongroup.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: 2/10 · 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 | 2023060820 |
| Primary NS (MNAME) | dns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 12:03:43 | 1053ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 23:29:30 | 1540ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 10:40:08 | 1286ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 00:44:32 | 1075ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 21:10:32 | 752ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 18:46:35 | 918ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 09:12:29 | 1175ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 18:23:01 | 578ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 18:20:10 shown | 804ms | 2 NS 1 A 1 MX | 🔓 Insecure |