4 ms·

What is the significance of [a-zA-Z0-9-]{0,61}? Some special limit on 61 characters?

• Beltalowda 5y ago
  Domain labels are limited to 63 bytes, with the [a-z..] before and after that makes 61 + 1 + 1 = 63.
  • deleted 5y ago
    [deleted]