Geting Error while wcf Hosting on iis under current website

Scnerio: I have one website running through multiple domains and below Host Header mentioned In IIS 6.

http://www.examples.ae
http://examples.ae
http://eg.a
http://www.eg.ae
http://examples.com
http://www.examples.com

Now I have created one simple wcf service and put my files under the same webisite but it through the error when i browse my wcf web service through any of host header name like http://www.examples.ae/Service1.svc

Error Detail: This collection already contains an address with scheme http.  There can be at most one address per scheme in this collection.

Below Service Model i am using for wcf service which is include into current website web.config file.kindly let me know why my web service or give me one real Configuration for same solution.

   

    
    
      
      
      
      
       
          
   
 

   
     
       
         
         
       
     
   

   
              name="SultanQaboos.Service1">