Servidores DNS Principal (mname) y Secundario (rname)
host: goodnic.net
class: IN
ttl: 300
type: SOA
mname: ns1.goodnic.net
rname: root.chinafu.com
serial: 2025082209
refresh: 3600
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: goodnic.net
class: IN
ttl: 300
type: MX
pri: 10
target: mail.goodnic.net