igc.hk.			30 IN SOA NS9.HKDNR.NET.hk. HOSTMASTER.HKDNR.NET.hk. (
				2017145102 ; serial
				5400       ; refresh (1 hour 30 minutes)
				1800       ; retry (30 minutes)
				3600000    ; expire (5 weeks 6 days 16 hours)
				1800       ; minimum (30 minutes)
				)

igc.hk.			30 IN A	45.113.121.87

Name servers:
igc.hk.			30 IN NS NS10.HKDNR.NET.hk.
igc.hk.			30 IN NS NS11.HKDNR.NET.hk.
igc.hk.			30 IN NS NS12.HKDNR.NET.hk.
igc.hk.			30 IN NS NS9.HKDNR.NET.hk.