CloudFlare DNS for checking SLA

Hi Guys…
Fairly new to Cloudflare dns …
So i have a few questions
We have multiple application that need to check sla
so 1. Can we use Cloudflare dns to check if internet is up or not…?
If yes … what would be the maximum ping or payload we can send in one minute ?

If you’re talking about just opening command prompt or terminal and doing ping , you should have no problem. They generally don’t blacklist IPs and there’s not even a rate limit on regular DNS queries.

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