What special characters are not allowed in domain names?

What special characters are not allowed in domain names?

The special characters that are not allowed in domain names mainly include the following categories:

1.Spaces: Spaces are not allowed in domain names.

2.Punctuation marks and operators: such as @, #, $, %, ^, &, *, (, ), +, =, {, }, [, ], , |, ;, :, ", ', <, >, ,, ?, /, etc.

3.Other special characters: such as ~, _, etc.

Special Characters in Domain Names

Additionally, the only special character allowed in domain names is the hyphen (-), but its use is also restricted:

1.Hyphens cannot appear at the beginning or end of a domain name.

2.They cannot be used consecutively. For example, in a .com domain, hyphens cannot appear consecutively in the second and third character positions.

3.Some top-level domains (such as .cn, .中国, etc.) do not allow consecutive hyphens.

In summary, domain names can only include English letters (a-z, case-insensitive), numbers (0-9), and the hyphen (-).