Registro IPv4
host: variant-b.ru
class: IN
ttl: 86400
type: A
ip: 37.140.192.75

Servidores DNS Principal (mname) y Secundario (rname)
host: variant-b.ru
class: IN
ttl: 86400
type: SOA
mname: ns1.reg.ru
rname: hostmaster.ns1.reg.ru
serial: 1761319930
refresh: 14400
retry: 3600
expire: 604800
minimum-ttl: 10800

Servidor de Correo
host: variant-b.ru
class: IN
ttl: 86400
type: MX
pri: 10
target: mx.yandex.net