Knowledge Base

Add-on Services

A2 Hosting offers several add-on services that you can use to enhance your web site's functionality, security, and more.


Cloudflare is a content delivery network (CDN) service that A2 Hosting provides to web hosting customers for free. Learn more about Cloudflare here.

SSL certificates

An SSL certificate is one of the most common add-on services for a web site. With an SSL certificate, you can encrypt your web site data and prove your identity to visitors.

WHMCS hosting

A2 Hosting supports WHMCS hosting for reseller accounts.

Domain and SSL reseller

If you have a reseller, managed VPS, or managed dedicated server account, you can become a eNom domain and eNom SSL reseller. Learn how here.

Activating an SSL certificate as an eNom reseller

Learn how to activate an SSL certificate that you purchased as an eNom reseller.


A2 Hosting offers several promotional programs -- learn about them here.

cPanel licensing

Although unmanaged VPS, cloud VPS, and dedicated servers do not include cPanel, you can purchase a license and install cPanel yourself. Learn how here.

Configuring OpenSRS access for WHMCS

Learn how to set up OpenSRS integration with your WHMCS installation.

Signing up for a MailChimp account

Learn how to sign up for a free MailChimp account so you can efficiently send large numbers of e-mail messages.


With the Dropmysite cPanel plugin, you can back up your data and monitor your websites. Learn how in these articles.

Ordering a WHMCS license

Learn how to order a WHMCS license for your reseller hosting package.