Registro IPv4
host: perfectdoc.ru
class: IN
ttl: 3600
type: A
ip: 148.251.40.7

Servidores DNS Principal (mname) y Secundario (rname)
host: perfectdoc.ru
class: IN
ttl: 3600
type: SOA
mname: ns1.mc-euromed.ru
rname: support.corp.mc-euromed.ru
serial: 1574863176
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400