masuri.co.kr.		30 IN SOA ns1.ibrain.kr. root.masuri.co.kr. (
				2022033114 ; serial
				21600      ; refresh (6 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

masuri.co.kr.		30 IN TXT "v=spf1 ip4:210.219.173.173 ~all"

Mail exchangers:
masuri.co.kr.		30 IN MX 20 mailq3.domainclub.kr.
masuri.co.kr.		30 IN MX 10 mail5.domainclub.kr.

Name servers:
masuri.co.kr.		30 IN NS ns1.ibrain.kr.
masuri.co.kr.		30 IN NS ns2.ibrain.kr.