Registrars supporting .security
The generic TLD .security is one of the top-level domains managed by XYZ.COM LLC. .security is supported by numerous registrars, including Name.com, NameSilo and Uniregistry. If you use a trustworthy registrar, then you can expect the lowest yearly cost to be about $2099.99.
Registration Discount Price
Be sure to check out the domain name finder tool, which allows you to look up the availability of hundreds of domains in seconds while discovering domain names you never thought of.
If you're looking to host a website then you can get $100 free DigitalOcean credits here.