Will my site have a dedicated IP address?
By default, sites on our hosting service use “shared” IP addresses for IPv4 (our IPv6 addresses are always dedicated).
It’s possible to upgrade to a “dedicated IP address” for an additional fee, although most customers don’t need to do so.
On this page:
- What is a "dedicated IP address"?
- How can I get a dedicated IP address?
- Aren't shared IP addresses undesirable?
- Can I get a “static IP address”?
- Do you provide reverse DNS entries for dedicated IP addresses?
- Can I use a dedicated IP address in a URL to access my website?
- How do I view a site I'm transferring if I can’t access it using the IP address?
- Does this affect outgoing connections from scripts on my site?
What is a "dedicated IP address"?
A dedicated IP address simply means that no other site uses the same IP address. Most people don’t need a dedicated IP address, but reasons to get one may include:
- You want to enter your site’s IP address into a third-party DNS server;
- The need for a “reverse DNS entry” that shows your domain name;
- The need for an SSL certificate that includes only your domain name, with no other domain names in the “Common Name” or “Subject Alternative Names” section of the certificate;
- The need for firewall rules that block certain “ports” on our servers for PCI compliance reasons;
- Minimizing the possibility that a denial of service attack aimed at another customer we host will affect you;
- The ability to use an SSL certificate that works with very old browsers or operating systems that don’t support Server Name Indication (desktop browsers from before 2007 or mobile browsers from before 2010).
You don’t need one to improve your search engine rankings, though. That’s a myth (see below).
How can I get a dedicated IP address?
You can upgrade to a dedicated IP address for an additional $2.00 per month (per domain name).
To switch to a dedicated IP address:
- Login to the “My Account” control panel (having trouble?).
- If your account is a web hosting account, click Domain Name Options (this step is not necessary if the domain name is an alias).
- Click Edit DNS Zone.
- Scroll down to the “Dedicated IP address” section and click switch the site to a dedicated IP address.
- Click Enable dedicated IP address, then Save Changes.
The page will show you the dedicated IP address of your site.
Aren't shared IP addresses undesirable?
A shared IP address should have no effect on how your site works. There's rarely a technical need for a dedicated IP address, and ARIN — the organization that assigns IP addresses — requires us to use shared addresses in most cases.
People sometimes ask this question because of a rumor that dedicated IP addresses improve search engine rankings. That's a myth, though. Many of the highest ranking sites on the Internet share their IP address with hundreds or thousands of other websites.
Can I get a “static IP address”?
We're sometimes asked if we offer “static IP addresses”, or if a “dedicated IP address” and a “static IP address” are the same thing. They’re similar, but not exactly the same. We offer dedicated IP addresses, but we (like almost all other companies) don’t offer permanently static IP addresses.
A “dedicated” IP address means you're the only customer using it. We try hard to make sure it won’t change, and that it always points at your website, even when things change on our end. But it’s still possible that the IP address might need to change in the future for some reason we can’t yet anticipate (we’ll let you know if this happens).
The literal meaning of a “static” IP address would be an IP address that never changes in the future, even if you keep your hosting with us for decades (yes, we have customers that have been hosting with us for more than 20 years!). We don’t have any way to guarantee that, so we don’t want to promise it. Dedicated IP addresses are much less likely to change than shared IP addresses (because many of the situations that would cause a shared address to change won’t apply), but you shouldn’t assume that even a dedicated IP address will never change.
Do you provide reverse DNS entries for dedicated IP addresses?
Yes. If your site is on a dedicated IP address with us, the reverse DNS entry for that IP address will automatically be set to match your domain name instead of a generic hostname.
Can I use a dedicated IP address in a URL to access my website?
No. A dedicated IP address won't allow you to use the address in a URL like "http://192.0.2.17/". You always need to use the correct domain name to connect to our servers, whether or not you have a dedicated IP address. The server needs to know the domain name to ensure it’s showing the right files and using the right SSL certificate.
If you’re trying to point other domain names at an IP address that serves a site you already have with us, the right way to do it is to instead have us set up the other domain names as aliases. That way we’ll provide DNS service for them that always points at the correct IP address, even if it changes.
How do I view a site I'm transferring if I can’t access it using the IP address?
If you’re trying to find your server’s IP address for testing purposes during a hosting transfer, you should use the temporary "customers.tigertech.net" hostname we provide instead.
Does this affect outgoing connections from scripts on my site?
Even if you have a dedicated IP address for your site, outbound TCP or UDP connections made by your scripts may not automatically use it as the source address. To make that happen, you would need to have a programmer change your script to “bind” outgoing connections to that source address. Doing that should work properly.
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