Registro IPv4
host: metrosg.ru
class: IN
ttl: 67012
type: A
ip: 37.60.16.254

Servidores DNS Principal (mname) y Secundario (rname)
host: metrosg.ru
class: IN
ttl: 600
type: SOA
mname: ns1.metrosg.ru
rname: noc.metro-set.ru
serial: 1748028187
refresh: 600
retry: 300
expire: 604800
minimum-ttl: 60