You can see these by doing nslookup:
$ nslookup www.stanford.edu
Server: 66.33.216.129
Address: 66.33.216.129#53
Non-authoritative answer:
www.stanford.edu canonical name = www.best.stanford.edu.
www.best.stanford.edu canonical name = www4.stanford.edu.
Name: www4.stanford.edu
Address: 171.67.20.36
-Steve