Servidores DNS Principal (mname) y Secundario (rname)
host: shanghang.gov.cn
class: IN
ttl: 21600
type: SOA
mname: cl1.sfndns.cn
rname: mail.sfn.cn
serial: 2024100522
refresh: 172800
retry: 600
expire: 1209600
minimum-ttl: 7200

Servidor de Correo
host: shanghang.gov.cn
class: IN
ttl: 600
type: MX
pri: 1
target: mxbiz1.qq.com

Servidor de Correo
host: shanghang.gov.cn
class: IN
ttl: 600
type: MX
pri: 1
target: mxbiz2.qq.com

Registro IPv6
host: shanghang.gov.cn
class: IN
ttl: 600
type: AAAA
ipv6: 240e:ff:9000:1100::2bd