I always use http://j.mp/ because it's shorter. =)
[mqudsi@iqudsi:~]$ dig j.mp (02-19 04:08)
; <<>> DiG 9.6.0-APPLE-P2 <<>> j.mp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 59834
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;j.mp. IN A
;; ANSWER SECTION:
j.mp. 1333 IN A 168.143.172.53
;; Query time: 241 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Sat Feb 19 04:08:47 2011
;; MSG SIZE rcvd: 38