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Standards and Best Practices
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Prohibit Numeric Domains #11

Closed indolering closed 9 years ago

indolering commented 9 years ago

Historically, valid domains were defined as valid hostnames per RFC-1035,

They must start with a letter, end with a letter or digit, and have as interior characters only letters, digits, and hyphen. There are also some restrictions on the length. Labels must be 63 characters or less.

@hlandau believes we should allow domains that begin with an number (such as 37signals.bit) but prohibit purely numeric domains (1.bit). I do not care for the additional complexity and it could allow for interesting hacks, but I think future TLDs may want to support this functionality.

Note that RFC-1035 itself does not equate domain names as valid hostnames and each TLD has it's own rules.

hlandau commented 9 years ago

Numeric domains are now prohibited. Closing.