两个问题:
1. 你在使用哪个节点?
2. 你在哪个 .com.cn 上遇到问题?
我刚刚测试了一下,一切是正常的:
dig @
199.91.73.222
t.sina.com.cn; <<>> DiG 9.8.1-P1 <<>> @
199.91.73.222
t.sina.com.cn; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17510
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;
t.sina.com.cn. IN A
;; ANSWER SECTION:
t.sina.com.cn. 4293081100 IN CNAME
e.dpool.weibo.com.
e.dpool.weibo.com. 4293081100 IN A 180.149.134.17
;; Query time: 11 msec
;; SERVER: 199.91.73.222#53(199.91.73.222)
;; WHEN: Mon Jul 30 18:33:37 2012
;; MSG SIZE rcvd: 78