51dmb.com.		30 IN SOA dns15.hichina.com. hostmaster.hichina.com. (
				2024120417 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

51dmb.com.		30 IN TXT "v=spf1 ip4:218.66.66.1 ~all"

Mail exchangers:
51dmb.com.		30 IN MX 10 mail.51dmb.com.

Name servers:
51dmb.com.		30 IN NS dns15.hichina.com.
51dmb.com.		30 IN NS dns16.hichina.com.