Registro DMARC
v=spf1 a ~all

Registro IPv4
host: scontent.fmex36-1.fna.fbcdn.net
class: IN
ttl: 1693
type: A
ip: 187.190.210.148

Información TXT
host: scontent.fmex36-1.fna.fbcdn.net
class: IN
ttl: 7200
type: TXT
txt: v=spf1 a ~all
entries: Array