search result problem?

hello can u help me on this:

ok, i pass my site to msn i think 4 days ago u try to search my url on th SE using this URL http://www.my-site.com/ and i've got results and finf my site. this means im been index by msn?

then i try to search a again using this URL http://www.my-site.com without the /

then i got two results:
this URL
www.my-site.com and www.my-site.com/t.php?t=t&br=11

can you explained this. i really need your help. thanks

 

If you want to see what pages of your site are indexed in MSN, type the following into the search box:

site:www.your-site.com

 

thanks for response i have my answer for my question. its because my pages/site start to index by the search engine.