80 Domain Name Is Case Sensitive In This Year

The problem is that defining upper and lowercase can be trick.
Domain name is case sensitive. Be respectful keep it civil and stay on topic. Amazon com n modern dns we now have internationalized domain names idn which allows unicode characters. When it happens sign in to comment.
Are not case sensitive at all. Domain names are not case sensitive. The official name for this is case insensitive.
This means it does not matter whether someone types a domain name in lowercase or uppercase they will always be directed to the same website. No domain names are no case senesitive 1.