This is the most critical question. Based on reports from VirusTotal, URLVoid, and user testimonials across torrent forums, here is the verdict:

Always verify you are on an official domain to avoid malware-ridden clones like "1377x" or "1337x.tw". Official mirrors as of 2023 include: 1337x.to Mirrors: 1337x.st, x1337x.ws, x1337x.eu, x1337x.se