Onder OS-X is het makkelijkst denk ik, die heeft standaard de tool "dig".
dice@lady3jane:~%dig www.google.com AAAA
; <<>> DiG 9.6.0-APPLE-P2 <<>> www.google.com AAAA
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52151
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 4, ADDITIONAL: 4
;; QUESTION SECTION:
;www.google.com. IN AAAA
;; ANSWER SECTION:
www.google.com. 362046 IN CNAME www.l.google.com.
www.l.google.com. 300 IN AAAA 2a00:1450:8003::63
;; AUTHORITY SECTION:
google.com. 27729 IN NS ns3.google.com.
google.com. 27729 IN NS ns1.google.com.
google.com. 27729 IN NS ns2.google.com.
google.com. 27729 IN NS ns4.google.com.
;; ADDITIONAL SECTION:
ns1.google.com. 199514 IN A 216.239.32.10
ns2.google.com. 199513 IN A 216.239.34.10
ns3.google.com. 199513 IN A 216.239.36.10
ns4.google.com. 199513 IN A 216.239.38.10
;; Query time: 35 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Fri May 20 17:34:12 2011
;; MSG SIZE rcvd: 216
Of via een specifieke server:
dice@lady3jane:~%dig @ns1.google.com www.google.com AAAA
; <<>> DiG 9.6.0-APPLE-P2 <<>> @ns1.google.com www.google.com AAAA
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54529
;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;www.google.com. IN AAAA
;; ANSWER SECTION:
www.google.com. 604800 IN CNAME www.l.google.com.
www.l.google.com. 300 IN AAAA 2a00:1450:8003::6a
;; Query time: 22 msec
;; SERVER: 216.239.32.10#53(216.239.32.10)
;; WHEN: Fri May 20 17:36:29 2011
;; MSG SIZE rcvd: 80