Registro DMARC
v=spf1 a ~all

Registro IPv4
host: sonar.fmvd4-1.fna.whatsapp.net
class: IN
ttl: 7200
type: A
ip: 179.31.50.226

Información TXT
host: sonar.fmvd4-1.fna.whatsapp.net
class: IN
ttl: 7200
type: TXT
txt: v=spf1 a ~all
entries: Array