; <<>> DiG 9.4.0 <<>> @::1 +time=60 aaaa www.tsinghua.edu.cn.
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 201
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.tsinghua.edu.cn.		IN	AAAA

;; ANSWER SECTION:
www.tsinghua.edu.cn.	107553	IN	CNAME	www.d.tsinghua.edu.cn.
www.d.tsinghua.edu.cn.	3600	IN	AAAA	2402:f000:1:404:166:111:4:100

;; AUTHORITY SECTION:
d.tsinghua.edu.cn.	280353	IN	NS	dns.d.tsinghua.edu.cn.

;; Query time: 228 msec
;; SERVER: ::1#53(::1)
;; WHEN: Mon Dec 24 23:26:02 2012
;; MSG SIZE  rcvd: 103