謝謝幫忙∼ 我測試結果如下，似乎很正常。

sparc@Mini:~
$ cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 8.8.8.8
nameserver 2001:4860:4860::8888

sparc@Mini:~
$ sudo nslookup mirrors.ocf.berkeley.edu
[sudo] password for sparc:
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
mirrors.ocf.berkeley.edu canonical name = fallingrocks.ocf.berkeley.edu.
Name: fallingrocks.ocf.berkeley.edu
Address: 169.229.200.70
Name: fallingrocks.ocf.berkeley.edu
Address: 2607:f140:0:32::70