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关于域名解析的有关问题

Jun 13, 2016 am 11:54 AM
dns nbsp

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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