Strange Item in logs

another affiliate?

[ska_demon]

Hi, any clues as to what this may be. I have never seen it in my logs before.
The***** represent the keywords and my domain.
I am a bit new to this aff thing and i'm concerned about hijacking!
Thanks
Ska_Demon

217.150.100.97 - - [13/Jan/2004:06:56:05 -0600] "GET /ONE OF MY PAGES HTTP/1.1" 301 269 "http://affiliate.espotting.com/search/follow_through.asp?url=http%3A%2F%2Fwww%2E******%2D*********%2Ecom%2F*****%5F*********e%5Frate&affiliateid=3218&pos=0&keyword=60s+*****+********" "Mozilla/4.0 (compatible; MSIE 5.0; Mac_PowerPC)"

[ska_demon]

Oh yeah, if I put this url into my browser it returns one of my pages. But this page is dynamic and redirects elsewhere? but is shown static?

[ska_demon]

Ignore me I am just being thick!
Its espotting secondary results from ink.