Domain Name

A domain name is a human-readable string that identifies a server on the internet, replacing IP addresses. Examples include example.com and qraft.cc. In QR code URLs, the domain is the first trust indicator users see and directly impacts brand recognition.

After scanning a QR code, the displayed URL's domain is the user's primary basis for trust judgment. A recognized domain (e.g., amazon.co.jp) inspires confidence, while unfamiliar or deceptive domains (e.g., amaz0n-login.com) suggest phishing. Since QR codes make URL pre-verification difficult, post-scan domain checking is especially important.

For QR code URLs, short memorable domains are ideal. Longer domains increase data volume and code size. A custom short domain (e.g., qr.example.com) maintains brand consistency while reducing data. Converting domains to uppercase triggers Alphanumeric Mode for further efficiency.