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.CO domain

Official domain extension for Colombia

This domain is listed in the following categories: Colombia, Spain, America, ccTLD.

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New registration (annual)
Annual renewal
Transfer (including renewal for 1 year)
Modification of property rights
Quarantine service



General information about .co domain extension

Domain transfer
.co domain transfer is possible
Transfer with authorization code
An authorization code is required (auth-code/EPP)
Domain security
An accidental transfer block can be set for the .co domain
Modification of property rights
Changing the ownership is possible for .co domains
Domain names with diacritics (IDN)
The .co domain cannot contain special characters
A .co domain can only contain numbers
Cointernet / Neustar ( Website | Rules )

Special provisions for .co domain

The length of the domain
A .co domain can be between 3 and 63 characters long. Dashes can be used, but not at the beginning or end of the domain and not two (2) consecutive ones (for example, aa--bb.co).
Not required for .co - Colombia.
The owner may reside in any country.


Real time registration

New registration
1 - 5 years
1 - 5 years
Duration of registration
It takes a few seconds to register a .co domain.
Notice period
The notification period for expiration is with 3 days before the domain expires.

After a prior notification of renewal or expiration of a .co domain, it will be automatically returned to the Registry for registration according to the rule first come, first served.

Trends and general information

The .co domain is the official top level domain of the country code on the internet in Colombia. The domain extension was introduced in 1991, initially the registered domains were administered by "Universidad de los Andes", but at the end of the 1990s a new corporation called ".CO Internet SAS" was founded to take control of the .co domains.

Now, every interested internet user around the world is able to purchase and register their personal .co domain. Only for certain areas of the third level, it is necessary to meet more stringent requirements.

In particular, a country-specific .co domain is commonly used in Colombia: both companies and individuals benefit from the enormous potential offered by the domain and demonstrate an orientation towards Colombia. Because Webmasters from foreign countries are allowed to buy and register the .co domain, many domains outside of Colombia are registered. Customers are mostly commercial companies and organizations that use the .co domain as an attractive alternative to the higher level general .com domain.


In 2010, the .co domain was with about 360,000 domains registered in the Top 3 in South America - this is supposed to be the domain extension proposed below. Especially in the European and North American region, the competent register has registered a large increase in registrations.

For Domain Registrations please access the page

Domain Registrations
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