datong.org.tw.		30 IN SOA vdns2.seed.net.tw. sysop.vdns2.seed.net.tw. (
				2017101231 ; serial
				21600      ; refresh (6 hours)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

Mail exchangers:
datong.org.tw.		30 IN MX 3 aspmx3.googlemail.com.
datong.org.tw.		30 IN MX 3 aspmx2.googlemail.com.
datong.org.tw.		30 IN MX 2 alt2.aspmx.l.google.com.
datong.org.tw.		30 IN MX 2 alt1.aspmx.l.google.com.
datong.org.tw.		30 IN MX 1 aspmx.l.google.com.

Name servers:
datong.org.tw.		30 IN NS vdns2.seed.net.tw.
datong.org.tw.		30 IN NS vdns1.seed.net.tw.