NextDNS and Microsoft Family Safety

Since moving over to NextDNS, i've noticed that I am no longer getting data in Microsoft family safety for my kids accounts.  Can anyone else confirm whether they have it working, and if so what (if anything) you had to do to get it to work.

I've had a look through the logs for my kids machines, and so far I can't see anything being blocked related to microsoft.com or windows.com domains. And i'm not sure where to look next.

Cheers

Sam