Welcome to CoolNetTools.ca!
This site provides IT professionals and students alike with simple, handy networking tools.
- TCP Port Checker - check which ports are open at a given hostname or IP address
- DNS A Lookup - look up the IPv4 and IPv6 addresses (DNS A/AAAA records) for a given DNS name
- Request Headers - what headers is my browser sending?
We add new tools from time to time, so check back!