Registro IPv4
host: 1class.ru
class: IN
ttl: 21600
type: A
ip: 87.236.19.160

Servidores DNS Principal (mname) y Secundario (rname)
host: 1class.ru
class: IN
ttl: 86400
type: SOA
mname: ns1.reg.ru
rname: hostmaster.ns1.reg.ru
serial: 1777358819
refresh: 14400
retry: 3600
expire: 604800
minimum-ttl: 10800