nett.co.kr.		30 IN SOA ns1.iwinv.kr. root.iwinv.kr. (
				2024032615 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)
nett.co.kr.		30 IN CNAME nett2024.iwinv.net.
nett.co.kr.		30 IN CNAME nett2024.iwinv.net.

nett2024.iwinv.net.	30 IN A	115.68.168.201
nett.co.kr.		30 IN CNAME nett2024.iwinv.net.