MindRaven was the hosting operation by Rick Baker and his family; according to this entry on archive.org (2018/March) the contact information for MindRaven is:
Mindraven (subsidiary of Aridel Technologies)
11350 Random Hills Rd #800
Fairfax, VA 22030 USA
703-738-4402

It also looks like the have a GoogleTalk/Jabber account of [email protected] as well.

I googled the parent company and found Aridel Technologies

I'd probably pool all of my domains in Google Domains at this point in time, if they can't manage to keep their portal up.

I am a Web Development Contractor, I do not work for UBBCentral. I have provided free User to User Support since the beginning of these support forums.
Do you need Forum Install or Upgrade Services?
Forums: A Gardeners Forum
UBB.threads: UBBWiki, UBB Styles, UBB.Sitemaps
Longtime Supporter & Resident Post-A-Holic
VNC Web Services: Code Modifications, Upgrades, Styling, Coding Services, Disaster Recovery, and more!