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DelegatedIANA root zone

.co

Country-code top-level domain

A source-linked reference record for .co, combining IANA delegation data with registry metadata.

Registry website View IANA record
RegistryMinistry of Information and Communications Technologies (MinTIC)
IANA typeccTLD
Registered1991-12-24
DNSSECNot determined
Overview

About .co

IANA

.co is listed by IANA as a country-code top-level domain. The sponsoring organisation shown in the IANA delegation record is Ministry of Information and Communications Technologies (MinTIC).

Policy and eligibility are deliberately not inferred from the string name. Registration rules should be taken from the registry and its official documentation.

ccTLD Delegated
Sponsoring organisation
Ministry of Information and Communications Technologies (MinTIC)
Registry website
http://www.registry.co
RDAP
Not published
WHOIS
whois.registry.co
Registration date
1991-12-24
IANA last update
2026-02-17
Technical information

DNS and protocol details

Root-level delegation and protocol endpoints surfaced without hiding the source.

Authoritative nameservers

Published in the IANA delegation record.

a.registrydns.co194.169.218.57 · 2001:67c:13cc:0:0:0:1:57
b.registrydns.co185.24.64.57 · 2a04:2b00:13cc:0:0:0:1:57
c.registrydns.co212.18.248.57 · 2a04:2b00:13ee:0:0:0:0:57
d.registrydns.co212.18.249.57 · 2a04:2b00:13ff:0:0:0:0:57

Protocol endpoints

Published registry lookup services.

RDAP
Not published
WHOIS
whois.registry.co
Delegation history

Record timeline

Only milestones that can be tied directly to official records are shown.

  1. Report on the Redelegation of the .CO Top-Level Domain to ".CO Internet SAS"
  2. Transfer of the .CO (Colombia) top-level domain to the Ministry of Information and Communications Technologies
  3. IANA registration date

    Registration date shown in the IANA delegation record.

  4. IANA record last updated

    Latest update date displayed by the IANA delegation record.

Sources

Official records

This page keeps operational facts attached to their original source.

IANADelegation record IANA / InterNICAuthoritative root zone RegistryRegistration services
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