You could just go to http://www.netcraft.com which has a search function to do just that. They also have an anti-fishing toolbar which will give very detailed information about a site. For example:
Site title Slashdot: News for nerds, stuff that matters Date first seen September 2004
Site rank 5747 Primary language English
Description Not Present
Keywords Not Present
Site http://it.slashdot.org Netblock Owner SourceForge, Inc.
Domain slashdot.org Nameserver ns1.p03.dynect.net
IP address 188.8.131.52 DNS admin firstname.lastname@example.org
IPv6 address Not Present Reverse DNS star.slashdot.org
Domain registrar pir.org Nameserver organisation whois.dyndns.com
Organisation Dice Holdings, Inc., New York, 10018, US Hosting company Dynamic Network Services, Inc.
Top Level Domain Organization entities (.org) DNS Security Extensions unknown
Hosting country US
Netblock owner IP address OS Web server Last seen Refresh
SourceForge, Inc. 12150 Meredith Drive Urbandale IA US 50323 184.108.40.206 unknown Apache/2.2.3 CentOS 13-Dec-2013