Online Port Checker
It has become hassle-free to check the availability of ports associated with a specific domain or IP address.
Also, with our port checker, check for open ports and verify the port forwarding setup on your router.
SCAN PORT
Domain / IP
Port Type
COMMON PORTS
Scan All Common Ports
Related tools:
Online Port Checker
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Frequently Asked Questions
Find answers to frequently asked questions
about our Online Port Checker tool.
What is the Online Port Checker?
Our Online Port Checker is a tool that allows you to test whether specific ports on your server or network are open and accessible from the internet.
Why should I use the Online Port Checker?
You can use it to diagnose connectivity issues, ensure that specific services (such as web servers, FTP, or gaming servers) are reachable, and verify your firewall settings.
What does it mean if a port is open?
An open port indicates that a service is actively listening for incoming connections, which means that the application associated with that port is functioning properly.
What does it mean if a port is closed?
A closed port means that no service is listening on that port or that it is blocked by a firewall, preventing any incoming connections.
Can I check multiple ports at once?
Currently, our Online Port Checker allows you to check one port at a time.
How Can I Secure Open Ports on My Network?
Secure open ports by using firewalls, implementing port filtering, and regularly monitoring network traffic.