GoDaddy stops servicing domain names registered by residents of Crimea and frees them for registration.

Today, users from Crimea who registered their domains with the world's largest domain name registrar GoDaddy received a message that due to the sanctions on January 31, the registration of their domain names will be removed and these names may be registered by other people.

> The United States recently enacted trade restrictions to prevent
> US companies from a business organization
> located in the Crimea Region of Ukraine. As a result, we're no longer
> able to provide our services to these customers.
>
> Our account may be
> located in the Crimea Region. * If our records are correct, we'll
> unfortunately you need to terminate your account and / or your affected
> product (s) as of January 31, 2015. * Any unused products that are
> discontinued as a result of these restrictions will be automatically
> refunded to the original payment method we have on file.
>
> If your account is closed as a result of these new restrictions,
> your domains will be canceled and released back to the public. In
> addition, we will be deleted and we
> will not be able to provide you with backups. Line, * we
> respectfully ask for your data, and
> transfer any products you have with us, including domain names and
> hosting, to new providers. *

It is possible that in the near future other individual foreign registrars may do the same.
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Information about this has already begun to leak into the media:

“The United States recently adopted new trade restrictions that prevent American companies from doing business with individuals and legal entities located in Crimea (Ukraine).” As a result, we are no longer able to provide our services to these customers, ”the GoDaddy letter says.
The company notifies users that they need to close their account and registered domains until January 31, 2015. Paid domain names expire as a result of these restrictions and will automatically be put on sale.

( link ) About the name transfer procedure on GoDaddy
( link ) Sanctions Information

UPD.
CNews reports that it seems that blocking GoDaddy accounts will affect not only residents of the Crimea.
There is information from the user who said that GoDaddy is “killing” his Moscow account, since the Crimean online store uses one of the 82 domains listed for it. Crimean affiliation of this store is visible in the records of the service Whois.

UPD.2
Roem.Ru informs that the representative of the registrar 101domain reported that his company introduced similar measures to the residents of Crimea, but he immediately gives a life hacking how to avoid sanctions:

Denis Rotanov, director general of the Russian representative office of 101domain registrar, said that they have a similar policy, but to avoid blocking “it’s enough to change the name of the city”.