Two letter or Three Letter Domains? [closed]

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Closed 12 years ago.

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why is it ma.tt was able to get a two letter domain, but when i try to get za.ch it says this error (http://screencast.com/t/mbesajy3RA)?

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Different domain registrars, and different TLDs (top-level domains, the .ch part in this case, representing Switzerland) are free to place whatever restrictions they like for valid domains under their control.

Among other things, the domain rules for .ch state:

3.1.2 Grounds for refusal

SWITCH will refuse registration of a domain name if:

c. the domain name or the ACE string contains fewer than 3 or more than 63 characters, subject to statutory exceptions or exceptions approved by OFCOM or the Office of Communications;

They also seem to require a correspondence address actually within Switzerland.