DynDns Wildcard Subdomain in Apache -

i've got dyndns domain (lets example.dyndns.org). can access different wep applications different ports

• example.dyndns.org:10001 gets webapp1
• example.dyndns.org:10002 gets webapp2
• example.dyndns.org gets website

now activated wildcard subdomains in dyndns profile , want apache deliver

• webapp1 on web1.example.dyndns.org , example.dyndns.org:10001
• webapp2 on web2.example.dyndns.org , example.dyndns.org:10002
• website on example.dyndns.org

so have got following setup:

listen 80 listen 443 listen 10001 listen 10002  <virtualhost *:10001>     servername ...     documentroot ... </virtualhost>  <virtualhost *:10002>     servername ...     documentroot ...     ... </virtualhost>  <virtualhost *:80 *:443>     servername ...     documentroot ...     ... </virtualhost> 

now want add

<virtualhost web1.example.dyndns.org:80>     servername ...     documentroot ...     ... </virtualhost> 

but not work. suggestions why?