smtt.co.kr.		30 IN SOA ns1.nurihosting.com. support.nurihosting.com. (
				2023012601 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				60         ; minimum (1 minute)
				)

smtt.co.kr.		30 IN TXT "v=spf1 include:spf.cafe24.com ~all"

smtt.co.kr.		30 IN A	221.139.49.6

Mail exchangers:
smtt.co.kr.		30 IN MX 10 webmail.smtt.co.kr.