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

itsgroup.co.kr.		30 IN A	222.102.7.20
after.itsgroup.co.kr.	30 IN CNAME itsgroup.co.kr.
after.itsgroup.co.kr.	30 IN CNAME itsgroup.co.kr.

Mail exchangers:
itsgroup.co.kr.		30 IN MX 10 mail.basc.co.kr.
after.itsgroup.co.kr.	30 IN CNAME itsgroup.co.kr.

Name servers:
itsgroup.co.kr.		30 IN NS ns.basc.co.kr.