Registro IPv4
host: scontent-mad1-1.xx.fbcdn.net
class: IN
ttl: 1949
type: A
ip: 31.13.83.4

Información TXT
host: scontent-mad1-1.xx.fbcdn.net
class: IN
ttl: 7200
type: TXT
txt: v=spf1 a ~all
entries: Array

Registro IPv6
host: scontent-mad1-1.xx.fbcdn.net
class: IN
ttl: 2735
type: AAAA
ipv6: 2a03:2880:f004:8:face:b00c::1