Port Checker
Check if a port is open on an IP address or domain
Enter a host/IP and port number above to test connectivity
Common ports: 80 (HTTP), 443 (HTTPS), 22 (SSH), 25 (SMTP)
How to Check Port Connectivity
- Enter Host and Port: Type a hostname (like google.com) or IP address, and enter the port number you want to check.
- Click Check: Click the 'Check Port' button to initiate the connectivity test.
- Review Results: View the port status (Open/Closed), response time, and any error messages.
Frequently Asked Questions
What is a port checker?
A port checker is a tool that allows you to check if a specific port on an IP address or domain is open and accessible from the internet.
Why check if a port is open?
Checking if a port is open is useful for troubleshooting network connectivity, setting up servers, or verifying firewall configurations.
Are the results accurate?
Yes, our tool provides real-time results by attempting to connect to the specified port. However, some firewalls may block these requests.