| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1-03.azure-dns.com | — | — | — |
| ns2-03.azure-dns.net | — | — | — |
| ns3-03.azure-dns.org | — | — | — |
| ns4-03.azure-dns.info | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 213.32.245.221 | — | smtp.cmdline.dk | AS203953 | Hiper A/S | 213.32.240.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | cmdline.dk | 213.32.245.221 | smtp.cmdline.dk | AS203953 Hiper A/S |
| 10 | — | smtp.cmdline.dk | 213.32.245.221 | smtp.cmdline.dk | AS203953 Hiper A/S |
| TXT Record |
|---|
| v=spf1 a:smtp.cmdline.dk -all |
| Policy | Record (cmdline.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:smtp.cmdline.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 |