California e-Recording Transaction Network Authority (CeRTNA) The home page for the California e-Recording Transaction Network Authority (CeRTNA). A Joint Powers Authority (JPA) created for the purpose of developing, implementing, and maintaining an opne-standards based electronic recording system capable of being utilized by any submitter or county that is policy and standards compliant. Certna.com~Site InfoWhoisTrace RouteRBL Check Similar Sites: certnportal.com