| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 103.168.172.37 | 600s | www.messagingengine.com | AS151847 | Fastmail Pty Ltd | 103.168.172.0/24 | 🇺🇸 United States | Philadelphia |
| 103.168.172.52 | 600s | www.messagingengine.com | AS151847 | Fastmail Pty Ltd | 103.168.172.0/24 | 🇺🇸 United States | Philadelphia |
| TXT Record |
|---|
| v=spf1 include:spf.messagingengine.com ?all |
| Policy | Record (pyconsult.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.messagingengine.com ?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 | 2026042900 |
| Primary NS (MNAME) | hydrogen.ns.hetzner.com |
| Responsible (RNAME) | dns@hetzner.com |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |