Each portion of a doman name needs to be under 64 charachters I am fairly sure of that.

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Nathan Murrow <notifications@github.com> wrote:

>> @@ -32,14 +32,25 @@ def validate_ip(ip, addr_type):
>>  
>>  
>>  def is_valid_domain(name):
>> -    return re.match('[a-zA-Z\d-]{1,63}(\.[a-zA-Z\d-]{1,63})*', name)
>
>I can't find any documentation that restricts domain name labels to under 64 characters.
>
>---
>Reply to this email directly or view it on GitHub:
>https://github.com/OSU-Net/cyder/pull/48/files#r4906567