Registro IPv4
host: cosys.kr
class: IN
ttl: 90
type: A
ip: 125.209.222.132

Servidores DNS Principal (mname) y Secundario (rname)
host: cosys.kr
class: IN
ttl: 1800
type: SOA
mname: jasmine.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2399611666
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800