Registro DMARC
v=spf1 a ~all

Registro IPv4
host: media.fbcn13-1.fna.whatsapp.net
class: IN
ttl: 1625
type: A
ip: 212.230.2.33

Información TXT
host: media.fbcn13-1.fna.whatsapp.net
class: IN
ttl: 5225
type: TXT
txt: v=spf1 a ~all
entries: Array

Registro IPv6
host: media.fbcn13-1.fna.whatsapp.net
class: IN
ttl: 3585
type: AAAA
ipv6: 2a01:8480:100:e:face:b00c:3333:7020