What the maximum amount of characters a domain name can be? What about a Url? Is there any differences between ASCII and non-ASCII characters? So thanks
What the maximum amount of characters a domain name can be? What about a
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What the maximum amount of characters a domain name can be? What about a Url? Is there any differences between ASCII and non-ASCII characters? So thanks
If you have a fully qualified domain name like
www.example.com:Those limits are described in the RFC 1035 section 2.3.4
For an full
ASCIIdomain name, this means an 1 octet = 1 character.Concerning the
non-ASCIIdomain there is a notation named International Domain Name (IDN) which uses Punycode to convert the Unicode to ASCII, and prefixed by the ASCII Compatible Encodingxn--(ACE) to differentiate it with standard labels. It is the resulting string that is being used for comparison with the limits.example:
The IDN
www.école.comis converted towww.xn--cole-9oa.com(20 characters)Concerning the URL limits, please refer to the popular thread on stackoverflow "What is the maximum length of a URL?"