hefinstitute.or.kr.	30 IN SOA ns4.blueweb.co.kr. root.hefinstitute.or.kr. (
				2019012901 ; serial
				28800      ; refresh (8 hours)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				600        ; minimum (10 minutes)
				)

hefinstitute.or.kr.	30 IN A	203.241.232.15

Mail exchangers:
hefinstitute.or.kr.	30 IN MX 10 hefinstitute.or.kr.

Name servers:
hefinstitute.or.kr.	30 IN NS ns4.blueweb.co.kr.
hefinstitute.or.kr.	30 IN NS ns5.blueweb.co.kr.