某些DNS被污染得无法解析了。以下是我的测试。199.1用的是阿里的DNS,199.197是我自己用的SecDNS。lz可以下载个secdns用用。链接见我的介绍。
xxx@Luna ~
% nslookup
www.digitalocean.com 180.97.80.5
Server: 180.97.80.5
Address: 180.97.80.5#53
** server can't find
www.digitalocean.com: SERVFAIL
xxx@Luna ~
% nslookup
www.digitalocean.com 168.95.1.1
Server: 168.95.1.1
Address: 168.95.1.1#53
Non-authoritative answer:
www.digitalocean.com canonical name =
cf-ssl40656-protected-www.digitalocean.com.
Name:
cf-ssl40656-protected-www.digitalocean.comAddress: 198.41.188.27
Name:
cf-ssl40656-protected-www.digitalocean.comAddress: 198.41.189.27
xxx@Luna ~
% nslookup
www.digitalocean.com 192.168.199.1
;; connection timed out; no servers could be reached
xxx@Luna ~
% nslookup
www.digitalocean.com 192.168.199.197
Server: 192.168.199.197
Address: 192.168.199.197#53
Non-authoritative answer:
www.digitalocean.com canonical name =
cf-ssl40656-protected-www.digitalocean.com.
Name:
cf-ssl40656-protected-www.digitalocean.comAddress: 198.41.188.27
Name:
cf-ssl40656-protected-www.digitalocean.comAddress: 198.41.189.27