这是计算机网络 ch2 的实验的题目,选择一个欧洲大学的 DNSserver ,可是一直失败,但是我用我自己的就可以正常访问,用公用的 DNS 的服务器(如 Google )也可以来着,就是学校的都不可以。。。 试了很多个,不是 query refuced 就是 超时:
C:\Users\admin>nslookup
mail.yahoo.com auth5.dns.ox.ac.ukDNS request timed out.
timeout was 2 seconds.
服务器: UnKnown
Address: 2a00:1098:0:80:1000::10
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** 请求 UnKnown 超时
C:\Users\admin>nslookup
mail.yahoo.com dns1.ox.ac.uk服务器:
auth1.dns.ox.ac.ukAddress: 129.67.1.191
***
auth1.dns.ox.ac.uk 找不到
mail.yahoo.com: Query refused
这有什么解决办法吗。。尝试过很多别的和网上找的感觉都没用哇