Registro DMARC
v=spf1 a ~all

Registro IPv4
host: star-mini.c10r.facebook.com
class: IN
ttl: 90
type: A
ip: 157.240.243.35

Registro CNAME (Alias)
host: M.facebook.com.mx
class: IN
ttl: 7200
type: CNAME
target: m.facebook.com

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

Registro IPv6
host: star-mini.c10r.facebook.com
class: IN
ttl: 90
type: AAAA
ipv6: 2a03:2880:f170:81:face:b00c::25de

Registro CNAME (Alias)
host: M.facebook.com.mx
class: IN
ttl: 7200
type: CNAME
target: m.facebook.com