Registro DMARC
v=DMARC1; p=reject; rua=mailto:mailauth-reports@qq.com

Registro IPv4
host: 121.com
class: IN
ttl: 600
type: A
ip: 47.76.143.224

Servidores DNS Principal (mname) y Secundario (rname)
host: 121.com
class: IN
ttl: 3600
type: SOA
mname: ns75.domaincontrol.com
rname: dns.jomax.net
serial: 2024111305
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: 121.com
class: IN
ttl: 600
type: MX
pri: 10
target: mxbiz2.qq.com

Servidor de Correo
host: 121.com
class: IN
ttl: 600
type: MX
pri: 5
target: mxbiz1.qq.com

Información TXT
host: 121.com
class: IN
ttl: 600
type: TXT
txt: itjkh5lgqit45jkra3erpup5u0
entries: Array

Información TXT
host: 121.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 include:spf.mail.qq.com ~all
entries: Array