Registro IPv4
host: optotech.co.kr
class: IN
ttl: 90
type: A
ip: 211.115.92.218

Servidores DNS Principal (mname) y Secundario (rname)
host: optotech.co.kr
class: IN
ttl: 90
type: SOA
mname: ns27.hanbiro.com
rname: webmaster.hanbiro.com
serial: 2026012826
refresh: 28800
retry: 14400
expire: 38000000
minimum-ttl: 600

Información TXT
host: optotech.co.kr
class: IN
ttl: 90
type: TXT
txt: v=spf1 ip4:211.115.92.218 ~all
entries: Array