Registro DMARC
v=spf1 a ~all

Registro IPv4
host: scontent.feoh11-1.fna.fbcdn.net
class: IN
ttl: 1017
type: A
ip: 181.78.87.17

Información TXT
host: scontent.feoh11-1.fna.fbcdn.net
class: IN
ttl: 7200
type: TXT
txt: v=spf1 a ~all
entries: Array

Registro IPv6
host: scontent.feoh11-1.fna.fbcdn.net
class: IN
ttl: 3600
type: AAAA
ipv6: 2803:bc40:81ff:2:face:b00c::a7