dropnote.co.kr.		30 IN SOA ns1.vultr.com. dnsadm.choopa.com. (
				0          ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

dropnote.co.kr.		30 IN A	45.76.51.89

Mail exchangers:
dropnote.co.kr.		30 IN MX 10 dropnote.co.kr.

Name servers:
dropnote.co.kr.		30 IN NS ns2.vultr.com.
dropnote.co.kr.		30 IN NS ns1.vultr.com.