Registro IPv4
host: Whatsapp-cdn-shv-01-gru1.fbcdn.net
class: IN
ttl: 1116
type: A
ip: 57.144.67.32

Información TXT
host: Whatsapp-cdn-shv-01-gru1.fbcdn.net
class: IN
ttl: 1314
type: TXT
txt: v=spf1 a ~all
entries: Array