山东移动无法复现
```
$ dig @
223.5.5.5
www.qq.com; <<>> DiG 9.11.1-P3 <<>> @
223.5.5.5
www.qq.com; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33775
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;
www.qq.com. IN A
;; ANSWER SECTION:
www.qq.com. 180 IN A 111.30.132.101
;; Query time: 91 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Tue Apr 03 11:47:25 CST 2018
;; MSG SIZE rcvd: 44
```
建议楼主使用 dig 测试