DNS
域名系统（英文：DomainNameSystem，缩写：DNS）是互联网的一项服务。它作为将域名和IP地址相互映射的一个分布式数据库，能够使人更方便地访问互联网。DNS使用UDP端口53。当前，对于每一级域名长度的限制是63个字符，域名总长度则不能超过253个字符。
资源总数
84
DNS 热门资料
查看全部 84 份 →sheerdns is a master DNS server whose zone records are stored on a One-Record-Per-File bases. Becaus
sheerdns is a master DNS server whose zone records are stored on a One-Record-Per-File bases. Because of this, it is the...
2015-01-10
33
A project written in C# sends email without smtp server. It queries dns server for mx records and se
A project written in C# sends email without smtp server. It queries dns server for mx records and sends them. It support...
2014-01-03
50