Websites like whois.domaintools.com or lookup.icann.org can tell you:
For example, searching “sxe.net” would show registration history, but a misspelling like “sxe net” without a dot is invalid. www sxe net 2021
If you must research a suspicious or forgotten URL like “www sxe net 2021,” never type it directly into your browser address bar without precautions. Instead: Websites like whois
Before visiting an unknown site, paste its URL into: For example, searching “sxe
These tools will tell you if the domain was ever flagged for phishing, scams, or distributing harmful software.