Registro DMARC
v=spf1 a ~all

Registro IPv4
host: media.fmtt1-1.fna.whatsapp.net
class: IN
ttl: 3600
type: A
ip: 189.247.42.34

Información TXT
host: media.fmtt1-1.fna.whatsapp.net
class: IN
ttl: 97
type: TXT
txt: v=spf1 a ~all
entries: Array

Registro IPv6
host: media.fmtt1-1.fna.whatsapp.net
class: IN
ttl: 3600
type: AAAA
ipv6: 2806:10a0:cbff:fa:face:b00c:3333:7020