SiteCanary monitoring
Monitor network reachability by layer
Separate name-resolution and connection symptoms so infrastructure failures are easier to locate.
What it checks
- DNS resolution and expected answers
- TCP connectivity to a host and port
- Configured DNS resolvers and record types
- Connection availability and duration
When it alerts
- DNS answers are missing or incorrect
- A TCP connection cannot be established
- A DNS or TCP monitor exceeds its configured timeout
What you can investigate
- Resolved addresses, name servers, and domain metadata
- TCP connection duration and recent availability