Registro IPv4
host: ptfish.com
class: IN
ttl: 600
type: A
ip: 127.0.0.1

Servidores DNS Principal (mname) y Secundario (rname)
host: ptfish.com
class: IN
ttl: 180
type: SOA
mname: ns1.dnsv2.com
rname: level3dnsadmin.dnspod.com
serial: 1777335209
refresh: 3600
retry: 180
expire: 1209600
minimum-ttl: 180

Servidor de Correo
host: ptfish.com
class: IN
ttl: 600
type: MX
pri: 5
target: mxn.mxhichina.com

Servidor de Correo
host: ptfish.com
class: IN
ttl: 600
type: MX
pri: 10
target: mxw.mxhichina.com