Servidores DNS Principal (mname) y Secundario (rname)
host: elfled.com
class: IN
ttl: 21600
type: SOA
mname: fw.wersigns.ru
rname: postmaster.wersigns.ru
serial: 2024013101
refresh: 3600
retry: 1800
expire: 864000
minimum-ttl: 3600

Servidor de Correo
host: elfled.com
class: IN
ttl: 21600
type: MX
pri: 10
target: mail.wersigns.ru