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SSL without a dedicated IP (SNI)

Why your certificate works on a shared IP address, and when a dedicated IP is still useful.

1 min read Updated

You don't need a dedicated IP address to use an SSL certificate on shared hosting. All our servers support Server Name Indication (SNI).

What SNI does

Many websites share one IP address on a shared server. At the start of a secure connection, the browser tells the server which name it wants — yourdomain.com — before encryption begins. The server then presents the certificate for that name. That's SNI, and every modern browser supports it.

When a dedicated IP is still useful

  • Software that connects to your site and doesn't support SNI — some very old systems and devices.
  • A service that asks you to allow-list your site's own IP address.

Some hosting packages offer Add a dedicated IP on their service page. If yours doesn't, open a ticket.

Still stuck?

Open a ticket from your control panel and say which step you reached. A screenshot of what you see is the fastest way to show us.

Open a ticket Search all answers

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Tell us what you are trying to do rather than what went wrong, and we will tell you whether it is something we can fix from here.

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