rskv.co.kr.		30 IN SOA ns.codns.net. managers.rskv.co.kr. (
				1000010101 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				900        ; minimum (15 minutes)
				)

rskv.co.kr.		30 IN TXT "v=spf1 ip4:175.112.27.149 ~all"
rskv.co.kr.		30 IN TXT "v=spf1 include:_spf.rskv.co.kr ~all"
rskv.co.kr.		30 IN TXT "v=spf1 include:spf.protection.outlook.com -all"

rskv.co.kr.		30 IN A	175.112.27.149

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

Name servers:
rskv.co.kr.		30 IN NS ns13.codns.net.