Port Checker – Test Open or Closed Ports

Use this free Port Checker tool to test whether common network ports are open or closed on any IP address or domain name. Just enter the IP or domain, and the tool will scan popular ports used for web servers, email, FTP, gaming, remote access, and more.

How to Use

  1. Enter an IP address (e.g., 192.168.1.1) or domain name (e.g., example.com).
  2. Click the Check Ports button.
  3. See a list of common ports and their status: Open or Closed.

Port Checker

Port Checker – Test Open or Closed Ports

Use this free Port Checker tool to test whether common network ports are open or closed on any IP address or domain name. Just enter the IP or domain, and the tool will scan popular ports used for web servers, email, FTP, gaming, remote access, and more.

📌 Why Check for Open Ports?

Open ports are like open doors to your device. While some are needed to run services (like websites or remote desktop), others may pose security risks. It’s important to check and close unnecessary open ports to protect your server or device from attackers.

📋 Common Ports We Check

  • 21 – FTP (File Transfer Protocol)
  • 22 – SSH (Secure Shell)
  • 23 – Telnet
  • 25 – SMTP (Email Sending)
  • 53 – DNS (Domain Name System)
  • 80 – HTTP (Web)
  • 110 – POP3 (Email Receiving)
  • 143 – IMAP (Email Receiving)
  • 443 – HTTPS (Secure Web)
  • 3306 – MySQL Database
  • 3389 – RDP (Remote Desktop)

🔒 Security Note

This tool only performs safe external checks and does not access or harm your system. It’s designed to help you secure your network and understand your server exposure.

💡 Pro Tips

  • If a port is open, ensure that the service behind it is secure and up to date.
  • Use a firewall to block unused ports.
  • Monitor your network regularly for unexpected changes.

Try the Port Checker now to stay one step ahead in your network security!

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