The Delphix Jenkins plugin is an open source project which is supported via the Delphix Community forum (as opposed to via a support case): https://delphix.github.io/community-guidelines.html
Where To Find Information
Delphix customers that are looking to speed up their SDLC and automate Self-Service Container operations will very likely find this plugin useful.
See blog containing "how to use" information: https://www.delphix.com/blog/jenkins-plugin
How To Report Issues and Request Enhancements
Jenkins Plugin issues and enhancement requests are made via the GitHub issue tracker: https://github.com/jenkinsci/delphix-plugin/issues