udp 不行, tcp 正常
C:\Windows\system32>dig
www.miaopai.com @
119.29.29.29
; <<>> DiG 9.11.0-P2 <<>>
www.miaopai.com @
119.29.29.29
;; global options: +cmd
;; connection timed out; no servers could be reached
C:\Windows\system32>dig
www.miaopai.com @
119.29.29.29 +tcp
; <<>> DiG 9.11.0-P2 <<>>
www.miaopai.com @
119.29.29.29 +tcp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19314
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;
www.miaopai.com. IN A
;; ANSWER SECTION:
www.miaopai.com. 823 IN CNAME
3u57865rew9xfudj.alicloudlayer.com.
3u57865rew9xfudj.alicloudlayer.com. 120 IN A 180.97.162.239
;; Query time: 150 msec
;; SERVER: 119.29.29.29#53(119.29.29.29)
;; WHEN: Fri Jan 20 22:05:06 ?D1ú±ê×?ê±?? 2017
;; MSG SIZE rcvd: 105