I'm working on a SaaS, which is something like a website builder. User's should be able to use their custom domain and not just get a dedicated subdomain from us.
I would like to use a third-party service for that and I could find the following:
Unfortunately, none of them is really convincing as they sometimes don't even have an email address for support and therefore I feel uncomfortable giving them my credit card number.
Can you recommend similar services?