A-label

The ASCII (glossary)ASCII American Standard Code for Information Interchange The basic set of English letters, digits and symbols that the DNS was built on. Full definition of ASCII form of one part of an internationalized domain name (glossary)domain name A readable internet name made of labels separated by dots. Full definition of domain name. It starts with xn-- followed by letters, digits and hyphens produced by Punycode (glossary)Punycode The encoding that turns internationalized domain names into ASCII starting with xn--. Full definition of Punycode. This is the form actually stored in the DNS (glossary)DNS Domain Name System The internet's directory that links domain names to computer addresses. Full definition of DNS and in registry (glossary)registry The central database and system of a top-level domain, or loosely the organization that runs it. Full definition of registry systems, while people see the matching U-label (glossary)U-label The human-readable Unicode form of one part of an internationalized domain name. Full definition of U-label.