| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 135.225.52.51 | 3600s | — | AS8075 | Microsoft Corporation | 135.224.0.0/12 | 🇸🇪 Sweden | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 3600s | efa01.businessdns.dk | 85.191.113.182 | efa01.businessdns.dk | AS204274 AURA Fiber A/S |
| 10 | 3600s | mx-backup.businessdns.dk | 85.184.165.70 85.191.113.183 |
85.184.165.70.static.dhcp.aura-net.dk mailgate01.businessdns.dk |
AS204274 AURA Fiber A/S AS204274 AURA Fiber A/S |
| 50 | 3600s | ardbeg.businessdns.dk | 85.191.113.180 | ardbeg.businessdns.dk | AS204274 AURA Fiber A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 100 | 443 | mail.businessdns.DK |
| TXT Record |
|---|
| v=spf1 include:spf.businessdns.dk -all |
| Policy | Record (alsly.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.businessdns.dk -all |
| 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) | ns1-03.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |