Registro IPv4
host: railagent.ru
class: IN
ttl: 3333
type: A
ip: 185.22.234.141

Servidores DNS Principal (mname) y Secundario (rname)
host: railagent.ru
class: IN
ttl: 86400
type: SOA
mname: ns1.ihc.ru
rname: info.ihc.ru
serial: 2017011801
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: railagent.ru
class: IN
ttl: 3333
type: MX
pri: 10
target: mail.railagent.ru