RFC 4343:Domain Name System (DNS) Case Insensitivi...
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8 - A - B - C - D - E - F - G - H - I - L - N - O - P - Q - R - S - T - U - V

standardization state and status

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8 - A - B - C - D - E - F - G - H - I - L - N - O - P - Q - R - S - T - U - V

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