Domain Checker – Search & Find TLDs

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  • Free Wildcard SSL for safer data transfers
  • Free private registration for more privacy
  • Free 2 GB email account

Our domain search tools are simple to use


Domain name search

Please keep in mind that the choice of domain for your website is very important.Before you check whether your desired domain name is available, make sure you've thought carefully about the right strategy for securing the ideal domain. Your domain:

  • Must consist of a minimum of 2–3 characters depending on the exact domain extension, like or
  • Must adhere to a maximum length of 63 characters, but we recommend that you keep it short so it's to remember.
  • Can include hyphens to explain in detail what your website is about, like


Check availability

After using the IONOS domain checker, you will be presented with two options:

  1. The search result indicates that your desired domain is available. In this case, simply follow the registration process to secure it.2. The domain check tells you that someone already owns the domain you're after.In this case ➔
  • Either refer to the alternative domain extensions suggested by our checker tool and see if those options work for you.
  • Or conduct another domain search using different wording for your new website.


Find domain owner

If you want to contact the current owner of the domain, make sure you've prepared yourself well in order to negotiate the exact terms of the transfer of rights for your domain.

In order to find out who owns a given domain, please refer to the IONOS Whois Domain Lookup tool.

With this tool you can check:

  • Who the host of a domain is
  • Where a domain is registered
  • When a domain expires
  • At what point in time it was registered

Before you contact the current owner of the domain, make sure you're well prepared to negotiate the exact terms of the transfer of rights for your domain.

Domain Checker Tools – FAQ

Yes. This feature is available: Bulk domain search.

No. For an overview of discounted domains, please refer to the following page: Cheap domain registration.

If you are having trouble choosing your perfect domain name, IONOS is here to help. There are a multitude of options available to you – and workarounds for any problem all leading you to a fantastic domain name for your site.

The first thing you can do is think about changing the TLD. This is the part of the URL at the end: for example .com, .net, .org. So if your desired domain name was and you find that this is already taken, you can try or The IONOS domain check will automatically generate your desired domain name with new TLDs if your first choice is already taken.

If these are also not available, or you have your heart set on one particular TLD, then you can think about adapting your original domain name. Having to rethink your domain name shouldn't be seen as a problem and, in fact, it may lead to a spark of inspiration that helps your chosen domain name to really stand out.

Learn more about domains

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