| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 64.99.64.37 | 600s | osrs.systemdns.com | AS15348 | Tucows.com Co. | 64.99.64.0/20 | 🇨🇦 Canada | — |
| Policy | Record (_dmarc.smartfares.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| 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 | 1751977912 |
| Primary NS (MNAME) | ns1.systemdns.com |
| Responsible (RNAME) | hostmaster@systemdns.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 300s |
| Minimum (neg-cache TTL) | 60s |