Servidores DNS Principal (mname) y Secundario (rname)
host: seoulpetrol.org
class: IN
ttl: 1800
type: SOA
mname: seoulpetrol.org
rname: postmaster.seoulpetrol.org
serial: 20250410
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: seoulpetrol.org
class: IN
ttl: 1800
type: MX
pri: 10
target: mw-002.cafe24.com