For the Indonesian Second Level Domain Names:
•Consist of letters (A-Z, a-z), numbers (0-9), and the hyphen character (-)
•Hyphen character (-) should not be used as beginning or end, and as a third and fourth character in a sequence of a domain name
•Naming domains can use letters, numbers, or a combination of letters and numbers
•Consist of 3-63 characters.
For the Indonesian Second Level Domain Names:
•Naming domains can use letters, numbers, or a combination of letters and numbers
•Consist of 5-63 characters