threego.kr.		30 IN SOA ns2.sazudosa.com. root.sazudosa.com. (
				2016071300 ; serial
				1800       ; refresh (30 minutes)
				600        ; retry (10 minutes)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

threego.kr.		30 IN TXT "v=spf1 ip4:121.78.116.249 -all"

threego.kr.		30 IN A	121.78.116.249

Mail exchangers:
threego.kr.		30 IN MX 10 ns2.sazudosa.com.

Name servers:
threego.kr.		30 IN NS ns2.sazudosa.com.