Port Scanner & Security Check
Scan open TCP ports and check network security for any domain or IP address. Identify running services and potential security vulnerabilities.
How to use in DNSToolbx:
- Click Port Scan in the sidebar.
- Enter the domain or IP you want to scan in the first input box.
- Optionally, enter a port range (e.g. 20-80) in the second input box.
- Press the Start Port Scan button to see open ports.
You can scan a single port, a range, or all common ports for vulnerabilities.
How Port Scan Works
Port scanning checks which network ports are open on a target, helping identify running services and potential vulnerabilities.
Typical Use Cases
- Identify open ports on a server
- Check for exposed services
- Security auditing