~ dnsrecords.io

koex21.co.kr.		1800 IN	A 112.175.85.242
koex21.co.kr.		1800 IN	NS ns2.koex21.co.kr.
koex21.co.kr.		1800 IN	NS ns3.koex21.co.kr.
koex21.co.kr.		1800 IN	NS ns.koex21.co.kr.
koex21.co.kr.		1800 IN	NS ns1.koex21.co.kr.
koex21.co.kr.		1800 IN	SOA koex21.co.kr. postmaster.koex21.co.kr. (
				20210226   ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				3600000    ; expire (5 weeks 6 days 16 hours)
				43200      ; minimum (12 hours)
				)
koex21.co.kr.		1800 IN	MX 10 rmw-002.fmcity.com.
koex21.co.kr.		1800 IN	TXT "v=spf1 ip4:211.34.104.37 ~all"