From the command prompt do:
openssl version
OpenSSL 1.0.1 through 1.0.1f (inclusive) are vulnerable
OpenSSL 1.0.1g is NOT vulnerable
OpenSSL 1.0.0 branch is NOT vulnerable
OpenSSL 0.9.8 branch is NOT vulnerable
Your config is using mod_ssl. Mod SSL is OpenSSL built for Apache.
If your server is public facing you can try something like this tool. http://filippo.io/Heartbleed/