Registro DMARC
v=spf1 ip6:fdfe:2ac3:1b3b::/48 -all

Registro IPv4
host: iw2.com
class: IN
ttl: 90
type: A
ip: 51.81.90.52

Servidor de Correo
host: iw2.com
class: IN
ttl: 90
type: MX
pri: 1
target: mail.yaxmail.net

Información TXT
host: iw2.com
class: IN
ttl: 90
type: TXT
txt: v=spf1 ip6:fdfe:2ac3:1b3b::/48 -all
entries: Array