Registro IPv4
host: isoapply.com
class: IN
ttl: 300
type: A
ip: 216.239.32.21

Servidores DNS Principal (mname) y Secundario (rname)
host: isoapply.com
class: IN
ttl: 3600
type: SOA
mname: ns.tucows.com
rname: dns.tucows.com
serial: 1779946407
refresh: 300
retry: 60
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: isoapply.com
class: IN
ttl: 300
type: MX
pri: 10
target: mx.isoapply.com.cust.b.hostedemail.com