Registro DMARC
v=spf1 a ~all

Registro IPv4
host: scontent.fagu3-1.fna.fbcdn.net
class: IN
ttl: 3600
type: A
ip: 189.233.209.17

Información TXT
host: scontent.fagu3-1.fna.fbcdn.net
class: IN
ttl: 587
type: TXT
txt: v=spf1 a ~all
entries: Array

Registro IPv6
host: scontent.fagu3-1.fna.fbcdn.net
class: IN
ttl: 3600
type: AAAA
ipv6: 2806:1030:cbff:df:face:b00c::a7