sirius.hk.		30 IN SOA host1.cntech.net. webmaster.sirius.hk. (
				2025100472 ; serial
				1800       ; refresh (30 minutes)
				900        ; retry (15 minutes)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

sirius.hk.		30 IN A	210.245.153.129

Mail exchangers:
sirius.hk.		30 IN MX 60 aspmx4.googlemail.com.
sirius.hk.		30 IN MX 30 alt2.aspmx.l.google.com.
sirius.hk.		30 IN MX 50 aspmx3.googlemail.com.
sirius.hk.		30 IN MX 40 aspmx2.googlemail.com.
sirius.hk.		30 IN MX 10 aspmx.l.google.com.
sirius.hk.		30 IN MX 70 aspmx5.googlemail.com.
sirius.hk.		30 IN MX 20 alt1.aspmx.l.google.com.

Name servers:
sirius.hk.		30 IN NS us.hketc.net.
sirius.hk.		30 IN NS host1.cntech.net.
sirius.hk.		30 IN NS host2.cntech.net.
sirius.hk.		30 IN NS ca.hketc.net.