tu-korea.com.		30 IN SOA ns.smart-apps.co.kr. root.ns.smart-apps.co.kr. (
				2013070501 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				3600000    ; expire (5 weeks 6 days 16 hours)
				43200      ; minimum (12 hours)
				)

tu-korea.com.		30 IN TXT "v=spf1 ip4:221.139.50.212 -all"

tu-korea.com.		30 IN A	58.225.75.188

Mail exchangers:
tu-korea.com.		30 IN MX 0 webmail.tu-korea.com.

Name servers:
tu-korea.com.		30 IN NS ns.smart-apps.co.kr.