No, we do not support DNSSEC (Domain Name System Security Extensions).
If you use A2 Hosting's name servers for your domain, you cannot use DNSSEC.
If you registered your domain with A2 Hosting and use other nameservers that support DNSSEC (such as Cloudflare), we can set up DNSSEC at the registrar level. Please open a support ticket and provide the following information:
For more information about DNSSEC, please visit http://www.dnssec.net.