Registro IPv4
host: izsu.ru
class: IN
ttl: 79905
type: A
ip: 37.252.0.22

Servidores DNS Principal (mname) y Secundario (rname)
host: izsu.ru
class: IN
ttl: 79906
type: SOA
mname: ns1.reg.ru
rname: hostmaster.ns1.reg.ru
serial: 1780835295
refresh: 14400
retry: 3600
expire: 604800
minimum-ttl: 10800