busmaster.dk is a .dk domain served by 2 nameservers (donald.ns.cloudflare.com, ines.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by busmaster-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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (busmaster.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.busmaster.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:6888466a996a43c4a95ee40e8059147a@dmarc-reports.cloudflare.net |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves busmaster.dk: no address www.busmaster.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-busmaster-dk._domainkey.busmaster.onmicrosoft.com | RSA · ~1024 bit below 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2416235344 |
| Primary NS (MNAME) | donald.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 05:13:08 shown | 1816ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-30 05:06:15 | 1924ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-24 02:21:21 | 1098ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-27 12:10:06 | 1051ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-25 02:37:46 | 1292ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-31 19:04:54 | 1280ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-25 15:21:42 | 1216ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-27 17:54:02 | 1132ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-24 03:37:34 | 1135ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 17:20:27 | 1157ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-21 10:34:00 | 1142ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 17:50:51 | 804ms | 2 NS 0 A 1 MX | 🔓 Insecure |