In order to reissue your SSL Certificate, please follow the steps below:
There are many details on the Heartbleed bug (CVE-2014-0160) from the following URL:
We suggest to request a new Key and SSL Certificate to ensure your account is not affected. If your domain does not use https://domain.com or https in the URL of the domain name, you are not using an SSL Certificate. If we did not send you an email notice about your SSL Certificate, your SSL Certificate is not affected by this vulnerability and reissuing your SSL is not necessary.
If you are unsure whether you should contact us for a new Key and SSL Certificate, please submit a support request and we will be happy to assist you.