Error 1010 on proxied dns record

[tech137]

What is the name of the domain?

kidsclubspanishschool.com

What is the error number?

1010

What is the error message?

error code: 1010

What is the issue you’re encountering

We’re having an issue with our Java application trying to access to a proxied dns record of a API endpoint of our services. When the DNS record is in DNS Only mode, the application works perfectly.

What feature, service or problem is this related to?

DNS records

[sjr]

Check your security event log for the reason that the request was blocked, and adjust your Cloudflare settings accordingly.
https://dash.cloudflare.com/?to=/:account/:zone/security/events

Specifically for error 1010…

Error 1010