Dunstan Orchard wrote: > [3] Tony and Ken suggested looking up the IP address and then using that > to look up the domain name. > > news.yahoo.com (or indeed just 'yahoo.com') > ip = 216.109.124.244 > hostname = story1.news.vip.dcn.yahoo.com > > Does anyone know of a way to return the public-facing urls? This site seeems to give back the right results: http://www.kloth.net/services/nslookup.php my.opera.com news.yahoo.com both show just the main bit in the results there at various points, ie: opera.com yahoo.com I wonder how you do that in PHP? ------------------------------------- Dorset, England Work: http://www.1976design.com/ Play: http://www.1976design.com/blog/ Learn: http://webstandards.org/