.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 …

A fan-created, fan-run, nonprofit, noncommercial archive for transformative fanworks, like fanfiction, fanart, fan videos, and podfic more than 75,150 fandoms | 9,465,000 users | …