Run network diagnostics from anywhere
Test connectivity to a host
Query DNS records for a domain
Check open ports on a host
Domain registration info
Trace the path to a host
Combined ping + traceroute with statistics
Calculate network details from IP/CIDR
Check SSL cert expiration and details
Identify device manufacturer from MAC
Get your public IP address (from your browser)
Inspect HTTP response headers (from server)
Test if host:port is reachable (from server)
Get hostname from IP address (PTR record)
Get geographic location for an IP address
Look up ASN information for IP or AS number
Send magic packet to wake a device
Test connection speed to this server