: kn.zip could theoretically be a URL. However, the .zip TLD is often warned against by cybersecurity experts as it can be used to create malicious links that look like file names.
While less common, ".zip" is also a top-level domain (TLD) and a standard file extension.
: If you have a file named kn.zip , it is likely a compressed archive. Unless it is from a trusted source, you should exercise caution before opening it.