# Upper-case greek -> lower-case greek.
Δημοσθένους.example.com
# Upper-case ASCII -> lower-case ASCII.
Hello.example.com
# Invalid LDH label('-' at begin or end).
bad-.example.com
-bad.example.com
# Invalid LDH (label > 63 bytes).
abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789.example.com
# Valid LDH label (label <= 63 bytes).
abcdef0123456789abcdef0123456789abcdef0123456789abcdef012345678.example.com
# Invalid name (length > 255 bytes).
abcdef0123456789abcdef0123456789abcdef0123456789abcdef01234567.abcdef0123456789abcdef0123456789abcdef0123456789abcdef01234567.abcdef0123456789abcdef0123456789abcdef0123456789abcdef01234567.abcdef0123456789abcdef0123456789abcdef0123456789abcdef01234567.example.com
# Aliases for '.' -> '.'.
x。example.com
x．example.com
x｡example.com
# Good a-label.
xn--mumble.example.com
# Bad a-label.
xn--123456.example.com