File names

How can I find the file name of a document with the URL:

http://foo.co.uk/

Is there a methode to get the filename, or do I just have to assume 
index.html?

Mr Frank Olav Estensen
Student, Computing Science part III, University of Newcastle
WWW   :   http://www.newcasle.ac.uk/~n314974
          http://www.nordnett.no/~estensen
E-mail:				Snail-mail:
F.O.Estensen@newcastle.ac.uk	105 Stratford Road
F.O.Estensen@nordnett.no        Heaton
Phone:				Newcastle upon Tyne
+44 91 224 2355  		NE6 5AS
+47 75 56 09 48			England

Received on Monday, 8 May 1995 09:11:23 UTC