nslookup 正常，dig 失败一般是什么原因？怎么排查？

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装了chinadns后发现获取不到正确ip，网上看了下dig这个工具就试了一下发现也不能用，但是nslookup正常

root@ubuntu:~# dig 163.com

; <<>> DiG 9.9.5-3-Ubuntu <<>> 163.com
;; global options: +cmd
;; connection timed out; no servers could be reached

root@ubuntu:~# nslookup 163.com
Server: 114.114.114.114
Address: 114.114.114.114#53

Non-authoritative answer:
Name: 163.com
Address: 123.58.180.7
Name: 163.com
Address: 123.58.180.8

root@ubuntu:~# dig @114.114.114.114 163.com

; <<>> DiG 9.9.5-3-Ubuntu <<>> @114.114.114.114 163.com
; (1 server found)
;; global options: +cmd
;; connection timed out; no servers could be reached

root@ubuntu:

163.com

nslookup

1 replies • 2016-11-15 16:39:06 +08:00

jbag

Nov 15, 2016

你可以试试执行
sudo vi /etc/resolv.conf
之后在 nameserver=127.0.0.1 的下一行添加
nameserver=8.8.8.8
试试看看，我暂时是这么解决的，因为我打开只有一行 127.0.0.1.具体原理未知