Registro IPv4
host: spb.ru
class: IN
ttl: 4350
type: A
ip: 178.210.74.11

Servidores DNS Principal (mname) y Secundario (rname)
host: spb.ru
class: IN
ttl: 1800
type: SOA
mname: ns3-geo.nic.ru
rname: hostmaster.nic.ru
serial: 396964
refresh: 7200
retry: 900
expire: 2592000
minimum-ttl: 3600