syszone.co.kr.		30 IN SOA syszone.co.kr. root.syszone.co.kr. (
				42         ; serial
				10800      ; refresh (3 hours)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

syszone.co.kr.		30 IN A	123.215.230.134

Mail exchangers:
syszone.co.kr.		30 IN MX 10 mail.syszone.co.kr.

Name servers:
syszone.co.kr.		30 IN NS ns.syszone.co.kr.