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Port Checker

Test whether a port is open on a server or domain.

Domain or IP Address Port

Common Ports:

What is a Port Checker?

A port checker allows you to test whether a specific port on a server is reachable from the internet. This is useful for troubleshooting firewalls, server configurations, and network connectivity.

Common Ports

80 – HTTP
443 – HTTPS
22 – SSH
21 – FTP
25 – SMTP
3306 – MySQL