.xyz is a top-level domain name. It was proposed in ICANN 's New generic top-level domain (gTLD) Program, and became available to the general public on June 2, 2014.

Apparently the XYZ registry uses these private blocklists as their security bible and trusts them enough to immediately, and without warning, take down a domain for whatever reason. XYZ …

We are the Registry Operator for .xyz domain names. We created .xyz to connect Generations X, Y, and Z and to provide choice to internet users around the world.