1、错误提示：Can't find server name， Non-existent domain解决方法
2、zone "t4x.org" IN { type master; file "t4x.org.zone"; allow-update { none; };};zone "28.172.in-addr.arpa" { type master; file "172.28.zone"; allow-update { none; };};
4、$TTL 1D@ IN SOA ns.t4x.org admin.t4x.org. ( 0 ; serial 1D ; refresh 1H ; retry 1W ; expire 3H ) ; minimum IN NS ns.t4x.org. AAAA ::1 PTR localhost.1.94 IN PTR ns1.t4x.org.3.94 IN PTR ns2.t4x.org.1.87 IN PTR nginx.t4x.org.134.254.18 IN PTR www.t4x.org.
