fbcdn.net
The domain fbcdn.net answers at IP address 157.240.0.35. This domain declares no mail servers, so it cannot receive mail in its own name. It also publishes 2 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 157.240.0.35 60s
AAAA AAAA records
NS NS records
- a.ns.facebook.com 21600s
- c.ns.facebook.com 21600s
- b.ns.facebook.com 21600s
- d.ns.facebook.com 21600s
TXT TXT records
- v=spf1 a ~all 7200s
- google-site-verification=fK7K3F-hT-Pre47WNaVLRyk-_nC0Kc7K-IzagA5gPEw 7200s
SOA SOA records
- a.ns.facebook.com 3600s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 1 hour ago.