I use dmarcly.com. How much you'll spend depends on your monthly mail volume, but they're one of the less expensive vendors I've seen. Source: about 2 years ago

Using dmarcly.com SPF record checker was very interesting, thank you! I'll also check out the resource you linked me - I have a whole bookmark folder full of them, but this one seems very good and informative, thanks! If you're not terribly bored by me, would you mind answering more questions in the future? Admittedly this whole thing has me rather stressed and you're the first source I find that doesn't make me... Source: over 3 years ago

Also for my last employer, I contributed to their private repo by building a web app that can allow People team to orchestrate IT on/off boarding tasks similar to a tool like (BetterCloud) but built in house. Source: almost 2 years ago

It's also called "SaaS management" or "software asset management" e.g. zylo.com bettercloud.com or blissfully.com. Source: over 2 years ago

Many mid-to-large sized organizations use BetterCloud to manage their Google Workspaces. If you use many SaaS products, you can probably manage most of them through their platform. Source: over 2 years ago