Registro IPv4
host: songlang.com
class: IN
ttl: 300
type: A
ip: 1.13.14.153

Servidores DNS Principal (mname) y Secundario (rname)
host: songlang.com
class: IN
ttl: 300
type: SOA
mname: ns1.huaweicloud-dns.org
rname: 861985168.qq.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 300

Servidor de Correo
host: songlang.com
class: IN
ttl: 300
type: MX
pri: 10
target: mxbiz1.qq.com

Servidor de Correo
host: songlang.com
class: IN
ttl: 300
type: MX
pri: 20
target: mxbiz2.qq.com