Registro DMARC
v=spf1 a ~all

Registro IPv4
host: star.c10r.facebook.com
class: IN
ttl: 90
type: A
ip: 157.240.5.12

host: l.en-gb.messenger.com
class: IN
ttl: 7200
type: CNAME
target: star.facebook.com

Servidor de Correo
host: star.c10r.facebook.com
class: IN
ttl: 300
type: MX
pri: 10
target: smtpin.vvv.facebook.com

Información TXT
host: star.c10r.facebook.com
class: IN
ttl: 7200
type: TXT
txt: v=spf1 a ~all
entries: Array

Registro IPv6
host: star.c10r.facebook.com
class: IN
ttl: 90
type: AAAA
ipv6: 2a03:2880:f004:1:face:b00c::1