Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: sintech.cn
class: IN
ttl: 14400
type: A
ip: 116.204.239.5

Servidores DNS Principal (mname) y Secundario (rname)
host: sintech.cn
class: IN
ttl: 56196
type: SOA
mname: ns10.hosteaseservers.com
rname: notice.hostease.com
serial: 2026032401
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: sintech.cn
class: IN
ttl: 14400
type: MX
pri: 0
target: sintech.cn

Información TXT
host: sintech.cn
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx +ip4:64.140.166.226 ~all
entries: Array