Security/logs / health checker IP address

We have such thing

The problem is we cant find in logs in our firewall IP =

How can we identify the checker in our firewall ? What is the real ip ?

That IP is the one of the record you are checking, it is recommended that you hit the origin directly, non passing through Cloudflare.

$ dig +short

The way to search for it is by checking for user agent, you’ll find something like this from a Cloudflare IP (those listed in

Mozilla/5.0 (compatible;Cloudflare-Healthchecks/1.0;+; healthcheck-id: {id-of-check})

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