; <<>> DiG 9.4.0 <<>> @::1 +time=30 aaaa imap.tongji.edu.cn.
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61810
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 0

;; QUESTION SECTION:
;imap.tongji.edu.cn.		IN	AAAA

;; ANSWER SECTION:
imap.tongji.edu.cn.	21600	IN	CNAME	mta.tongji.edu.cn.
mta.tongji.edu.cn.	21600	IN	AAAA	2001:da8:b8:124::4

;; AUTHORITY SECTION:
tongji.edu.cn.		21599	IN	NS	dns.tongji.edu.cn.
tongji.edu.cn.		21599	IN	NS	dns1.tongji.edu.cn.

;; Query time: 692 msec
;; SERVER: ::1#53(::1)
;; WHEN: Sat Dec 29 21:52:57 2012
;; MSG SIZE  rcvd: 119