Servidores DNS Principal (mname) y Secundario (rname)
host: isiportal.com
class: IN
ttl: 21600
type: SOA
mname: dns1.anthesi.com
rname: hostmaster.anthesi.com
serial: 2026031100
refresh: 21600
retry: 3600
expire: 691200
minimum-ttl: 86400

Servidor de Correo
host: isiportal.com
class: IN
ttl: 21600
type: MX
pri: 10
target: pop1.anthesi.com