kado.net.		30 IN SOA ns1-1.ns-ncloud.com. ns1-2.ns-ncloud.com. (
				8          ; serial
				21600      ; refresh (6 hours)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				300        ; minimum (5 minutes)
				)

kado.net.		30 IN TXT "v=spf1 ip4:118.219.253.160 include:_spf.daum.net ~all"

kado.net.		30 IN A	49.50.174.213

Mail exchangers:
kado.net.		30 IN MX 20 ALT.ASPMX.daum.net.
kado.net.		30 IN MX 10 ASPMX.daum.net.

Name servers:
kado.net.		30 IN NS ns1-1.ns-ncloud.com.
kado.net.		30 IN NS ns1-2.ns-ncloud.com.