Registro IPv4
host: srfn.ru
class: IN
ttl: 5413
type: A
ip: 194.58.112.174

Servidores DNS Principal (mname) y Secundario (rname)
host: srfn.ru
class: IN
ttl: 5414
type: SOA
mname: ns1.reg.ru
rname: hostmaster.ns1.reg.ru
serial: 1769120151
refresh: 14400
retry: 3600
expire: 604800
minimum-ttl: 10800