关于域名解析的有关问题
关于域名解析的问题
我在域名提供商A注册有几个域名：a1，a2，a3。其中a1是经常使用的网站主域名。
a1经常性的出现无法解析的问题，确认不是云主机的问题(ip可以正常访问)。每次都是过段时间又恢复正常。
a1不能解析的同时a2，a3正常，询问提供商A说是浏览器的问题，清空缓存COOKIE依然没用。
CMD 执行 nslookup a1 出现:
服务器：unknow
address:192.168.0.1 *****unknow 找不到 a1:server failed
但是在自己电脑的 本地链接-属性-TCP/IPV4-自定义DNS服务器设置8.8.8.8就可以访问。
问题是出在什么地方，有没有遇到过相同情况的说说。
------解决方案--------------------
为什么是内网地址？
估计你的局域网中有个环
一般 x.x.x.1 是作为网关的，你把他同时作为主机，多少是会有点问题的
------解决方案--------------------
如果你换一个DNS解析就可以，这说明不是客户端的问题
nslookup 局域网地址有点怪，不是在客户端查外网么？
另外最近的DNS有点动作，原因不谈
我这边（南方电信光纤线路）挂了近20个DNS分流，google dns、opendns、comodo dns的udp调包严重，tcp则算比较正常
其他几个DNS如114dns、阿里dns、几个主要的香港dns都还“正常”，isp的dns则负荷沉重多年，不做参考
所以，在确认服务器一切正常的情况下，你应该从外部线路测试，排除dns问题，内部则监测dns的请求状况，最好自己分析一下访问者的来路
------解决方案--------------------
这个基本上跟DNS解析服务有关系了。
------解决方案--------------------
估计没有备案！！！！！！！
------解决方案--------------------
我遇到过这样的问题，弄了好久， 跟你反应的情况一样一样的 ， 我这是域名DNS的问题 建议你还是联系下域名商吧。
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