Registro IPv4
host: yifutools.com
class: IN
ttl: 90
type: A
ip: 103.218.242.128

Servidores DNS Principal (mname) y Secundario (rname)
host: yifutools.com
class: IN
ttl: 7200
type: SOA
mname: yifutools.com
rname: root.yifutools.com
serial: 2014062600
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 7200

Servidor de Correo
host: yifutools.com
class: IN
ttl: 90
type: MX
pri: 10
target: mxbiz2.qq.com

Servidor de Correo
host: yifutools.com
class: IN
ttl: 90
type: MX
pri: 5
target: mxbiz1.qq.com