DNS查找失败

DNS查找失败,dns,resolve,nslookup,domaincontroller,Dns,Resolve,Nslookup,Domaincontroller,我有一个主域控制器和辅助域控制器,我们将其用作DNS服务器。用户访问网站的结果好坏参半。有些工作正常,有些则出现错误: Network Access Message: The website cannot be found Explanation: An IP address for the website you requested could not be found. As a result, it was not possible to access the site. 例如,mc

我有一个主域控制器和辅助域控制器,我们将其用作DNS服务器。用户访问网站的结果好坏参半。有些工作正常,有些则出现错误:

Network Access Message: The website cannot be found
Explanation: An IP address for the website you requested could not be found. 
As a result, it was not possible to access the site. 
例如,mcmaster.com将不起作用。如果我从主DC运行nslookup:

C:\Users\Administrator>nslookup mcmaster.com
Server:  dc.mydomain.local
Address:  10.1.1.35

Non-authoritative answer:
Name:    mcmaster.com
Address:  209.64.25.230
看起来一切正常,但当我运行带有www.prepend to the address的
nslookup
时:

C:\Users\Administrator>nslookup www.mcmaster.com
Server:  dc.mydomain.local
Address:  10.1.1.35

DNS request timed out.
    timeout was 2 seconds.
DNS request timed out.
    timeout was 2 seconds.
*** Request to dc.mydomain.local timed-out
从DC运行
nslookup www.mcmaster.com
会产生不同的错误:

*** backupdc.mydomain.local can't find www.mcmaster.com: Server failed

我认为mcmaster.com解析为www.mcmaster.com,这导致用户无法访问该网站。有什么办法解决这个问题吗?

我在工作时从系统中运行了一次nslookup,得到了以下响应:

Server:  WHATEVER
Address:  xxx.xxx.xxx.xxx

Non-authoritative answer:
Name:    mcmaster.com
Address:  209.64.25.230


Server:  whatever
Address:  xxx.xxx.xxx.xxx

Non-authoritative answer:
Name:    a1843.b.akamai.net
Addresses:  23.66.232.17
          23.66.232.26
Aliases:  www.mcmaster.com
          www.mcmaster.com.edgesuite.net
我最初的想法是,无论谁拥有麦克马斯特的域名系统,都不能将万维网作为有效的回应。我知道我将请求转发到www.whateverdomainirun.com到whateverdomainirun.com,但是,看到这两个域名的不同,我感到惊讶

当我导航到时,我会被转发到www。当我在mcmaster.com上运行tracert时,它会失败,目标网络无法访问。在我看来,这家公司已经将其网站交给了Akamai,或者这是最近的,因此您的本地DNS服务器尚未更新,您可以尝试刷新缓存并再次执行,或者,以某种方式,您出于某种原因在防火墙上阻止了对Akamai的请求


对你来说,这是最好的快速猜测,可能大错特错:)。

谢谢-我最后在防火墙的备用DNS查找中添加了谷歌的DNS 8.8.8.8,它现在可以工作了。老实说,我不知道为什么这会影响到任何人,因为我们不再通过防火墙代理我们的客户端工作站,但有时我满足于接受它正在工作,然后继续前进。:)谢谢你的帮助。