DNS record verification service
SOA
Authoritative data about the DNS zone
| Serial number: 4207849484 | Primary DNS: a.ns.facebook.com |
| Technical contact: dns.facebook.com | |
| Minimum TTL: 300 | Refresh: 14400 |
| Retry: 1800 | Expire: 604800 |
A
Address record that matches a name and an IPv4 address
| Value | TTL |
|---|---|
| 57.144.112.1 | 3600 |
TXT
Arbitrary data up to 255 characters
| Value | TTL |
|---|---|
| v=spf1 a ~all | 7200 |
