Registro DMARC
v=spf1 a ~all

Registro IPv4
host: scontent.ftgu3-3.fna.fbcdn.net
class: IN
ttl: 1888
type: A
ip: 181.115.122.17

Información TXT
host: scontent.ftgu3-3.fna.fbcdn.net
class: IN
ttl: 238
type: TXT
txt: v=spf1 a ~all
entries: Array

Registro IPv6
host: scontent.ftgu3-3.fna.fbcdn.net
class: IN
ttl: 3600
type: AAAA
ipv6: 2803:4600:1400:8:face:b00c::a7