mmaster.co.kr.		30 IN SOA ns1.koreafree.co.kr. webmaster.koreafree.co.kr. (
				2011022109 ; serial
				10800      ; refresh (3 hours)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				600        ; minimum (10 minutes)
				)

mmaster.co.kr.		30 IN TXT "v=spf1 ip4:222.231.25.56 ~all"

mmaster.co.kr.		30 IN A	222.231.25.56

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

Name servers:
mmaster.co.kr.		30 IN NS ns1.koreafree.co.kr.
mmaster.co.kr.		30 IN NS ns1.whoiskorea.co.kr.