Hi @alexbowers,
Sorry again for failing to include the list of affected domains in the email that got sent out. I’ve updated the CAA SERVFAIL changes thread with the list of all affected domains, to cross-reference against your own.
It’s worth noting that if you renew any affected certs shortly before the deadline (say, August 30), then you have a full 90 days before those certificates expire in which to help users fix the problem or migrate DNS providers. And I definitely sympathize about having a short timeline to fix things. We tried to get the communication out sooner, but as often happens, events intervened.
Let us know if we can be of any help diagnosing specific problems.