4
records
IPv6 Addresses
TTL
developers.c10r.facebook.com. 60 IN AAAA 2A03:2880:F381:8D:FACE:B00C:0:2
Mail Servers
TTL
MX
—
10
5m
developers.c10r.facebook.com. 300 IN MX 10 smtpin.vvv.facebook.com.
Text Content
TTL
TXT
SPF
v=spf1 include:facebookmail.com -all
20m
developers.c10r.facebook.com. 1200 IN TXT "v=spf1 include:facebookmail.com -all"