Servidores DNS Principal (mname) y Secundario (rname)
host: yasin.se
class: IN
ttl: 86400
type: SOA
mname: ns1.dnshost.net
rname: zonemaster.dnshost.net
serial: 1717485877
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: yasin.se
class: IN
ttl: 120
type: MX
pri: 1000
target: resender.email