Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@tom.com

Registro IPv4
host: vip.tom.com
class: IN
ttl: 600
type: A
ip: 118.103.150.80

Servidor de Correo
host: vip.tom.com
class: IN
ttl: 600
type: MX
pri: 10
target: 163mx.cdn.163.net

Información TXT
host: vip.tom.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 include:spf.163.net -all
entries: Array