Check whether Apache loaded a specific config?
From command line you can also run the following arguments with the Apache binary to get additional information:
-t -D DUMP_VHOSTS : show parsed vhost settings
-t -D DUMP_RUN_CFG : show parsed run settings
-t -D DUMP_MODULES : show all loaded modules
Hope this helps!
If you have the mod_info module activated, simply access
http://[you server's IP]/server-info
There you'll see the entire Apache configuration.