Registro IPv4
host: scontent-mad2-1.xx.fbcdn.net
class: IN
ttl: 43
type: A
ip: 157.240.5.10

Información TXT
host: scontent-mad2-1.xx.fbcdn.net
class: IN
ttl: 207
type: TXT
txt: v=spf1 a ~all
entries: Array

Registro IPv6
host: scontent-mad2-1.xx.fbcdn.net
class: IN
ttl: 229
type: AAAA
ipv6: 2a03:2880:f085:a:face:b00c::3