Registro DMARC
v=spf1 a ~all

Registro IPv4
host: scontent.xx.fbcdn.net
class: IN
ttl: 90
type: A
ip: 157.240.243.2

host: cdn.fbsbx.com
class: IN
ttl: 380
type: CNAME
target: scontent.xx.fbcdn.net

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

Registro IPv6
host: scontent.xx.fbcdn.net
class: IN
ttl: 90
type: AAAA
ipv6: 2a03:2880:f078:1:face:b00c::3