Registro IPv4
host: 42o.ru
class: IN
ttl: 604800
type: A
ip: 51.15.232.123

Servidores DNS Principal (mname) y Secundario (rname)
host: 42o.ru
class: IN
ttl: 604800
type: SOA
mname: ns1.nameself.com
rname: support.regtime.net
serial: 1775636164
refresh: 300
retry: 300
expire: 604800
minimum-ttl: 7200