Lemon Domains
Get started free
List of domain extensions

.tci

.tci is a generic extension, run by Emergency Back-End Registry Operator Program - ICANN since 2015. Anyone can register a .tci name through a registrar that sells it.

TypeGeneric
Registry operatorEmergency Back-End Registry Operator Program - ICANN
Who can registerAnyone
In the root zone since5 December 2015
DNSSECSigned
RDAP serverhttps://rdap.nominet.uk/tci/
WHOIS serverNone listed
IANA recordiana.org/domains/root/db/tci

Look up a .tci domain

The .tci registry publishes registration data over RDAP. The free domain report reads it and shows a .tci domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.

More extensions from Emergency Back-End Registry Operator Program - ICANN

.parsGeneric · 2015
.همراهGeneric · 2015
.nowruzGeneric · 2015
.shiaGeneric · 2015
.desiGeneric · 2014
.wedGeneric · 2014

New to extensions? The guide to how domain extensions work covers generic, country-code and brand extensions. For who sells extensions in general, see the list of domain registrars.

Sources: the IANA root zone database and the ICANN list of generic extensions (refreshed 2026-10-24). Something out of date? Tell us.

Frequently asked questions

Who runs the .tci extension?

Emergency Back-End Registry Operator Program - ICANN is the registry operator for .tci. The registry keeps the list of every .tci name; registrars sell the names to the public.

Can anyone register a .tci domain?

Yes. Anyone can register a .tci name through a registrar that sells it.

When was .tci created?

.tci was added to the DNS root zone on 5 December 2015, according to IANA.

How do I look up who owns a .tci domain?

The .tci registry publishes registration data over RDAP at https://rdap.nominet.uk/tci/. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.

Is .tci signed with DNSSEC?

Yes. The .tci zone is signed, so a .tci domain can turn on DNSSEC once its registrar adds a DS record.