Frequently Asked Questions (FAQ)
6. How do I know if your service is being used to monitor my website or server?
If our user use website test or web server test, you will see "www.checkuptime.com/monitored-by-user-xxxx" as a referer in your web server log, where xxxxx is the name of the user who initiated monitoring.
For other test, you have to check your router log for any traffic (ICMP, SYN etc) from us.