Servidores DNS Principal (mname) y Secundario (rname)
host: tellver.com
class: IN
ttl: 86400
type: SOA
mname: ns1.eurodns.com
rname: hostmaster.eurodns.com
serial: 2022060600
refresh: 86400
retry: 7200
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: tellver.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mfwd.eurodns.com