cn-bbs.com.		30 IN SOA . hostmaster.nameserver. (
				46         ; serial
				21600      ; refresh (6 hours)
				1800       ; retry (30 minutes)
				604800     ; expire (1 week)
				5          ; minimum (5 seconds)
				)

cn-bbs.com.		30 IN A	210.209.93.2

Mail exchangers:
cn-bbs.com.		30 IN MX 5 mxbiz1.qq.com.
cn-bbs.com.		30 IN MX 10 mxbiz2.qq.com.