Registro IPv4
host: proknigi.org
class: IN
ttl: 7200
type: A
ip: 51.38.104.193

Servidores DNS Principal (mname) y Secundario (rname)
host: proknigi.org
class: IN
ttl: 7200
type: SOA
mname: ns1.topdns.me
rname: hostmaster.proknigi.org
serial: 1666686329
refresh: 10800
retry: 3600
expire: 432000
minimum-ttl: 38400