Domain Checker

Check domain or IP connectivity and port status with real-time latency measurement.

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16,768+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

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About This Tool

The DC Checker is a powerful online tool that allows you to test the connectivity of any domain or IP address along with a specific port. It performs a real-time socket connection to determine if the server is reachable, measures response latency in milliseconds, and provides detailed status reports. Perfect for network administrators, developers, and IT professionals to diagnose server issues, verify firewall rules, or monitor service availability. The tool is fully functional with no simulations—it actually establishes a connection and returns accurate results.

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How to Use

Enter a domain name (e.g., example.com) or IP address (e.g.,
in the input field.
Specify the port number to check (default is 80 for HTTP).
Set a timeout value in seconds (default is
.
Click the 'Check Connectivity' button to run the test.
View the results including status (Online/Offline), latency, and details.

Frequently Asked Questions

Find Quick Answers

What does DC Checker do?

DC Checker tests if a domain or IP address is reachable on a specified port by establishing a socket connection. It measures response time and returns the connection status.

Is this tool free to use?

Yes, the DC Checker is completely free with no limitations. No registration or subscription is required.

What ports can I check?

You can check any port from 1 to 65535. Common ports include 80 (HTTP), 443 (HTTPS), 22 (SSH), and 25 (SMTP).

How accurate is the latency measurement?

Latency is measured in milliseconds from the time the connection attempt starts until it succeeds or times out, providing real network performance data.

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