Common questions:

  • Does my domain resolve over this port?
  • How do I check connectivity over a specific port?

How It Works

Check domain connectivity over different network ports.

Try It Yourself

Example

For example: check HTTPS (port 443) or a domain or mail server (25).

In this screen, we are checking constellix.com over port 443, which is up because we have a valid SSL certificate.

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