.tui
.tui is a brand extension, run by TUI AG since 2014. Only TUI AG, its affiliates and trademark licensees can register .tui names; they are not for sale to the public.
| Type | Brand |
|---|---|
| Registry operator | TUI AG |
| Who can register | Brand owner only Brand extension: only the registry operator, its affiliates and trademark licensees register names. |
| In the root zone since | 27 September 2014 |
| DNSSEC | Signed |
| RDAP server | https://rdap.centralnic.com/tui |
| WHOIS server | whois.nic.tui |
| IANA record | iana.org/domains/root/db/tui |
Look up a .tui domain
The .tui registry publishes registration data over RDAP. The free domain report reads it and shows a .tui domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.
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 Something out of date?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 .tui extension?
TUI AG is the registry operator for .tui. The registry keeps the list of every .tui name; registrars sell the names to the public.
Can anyone register a .tui domain?
Only TUI AG, its affiliates and trademark licensees can register .tui names; they are not for sale to the public.
When was .tui created?
.tui was added to the DNS root zone on 27 September 2014, according to IANA.
How do I look up who owns a .tui domain?
The .tui registry publishes registration data over RDAP at https://rdap.centralnic.com/tui and over WHOIS at whois.nic.tui. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.
Is .tui signed with DNSSEC?
Yes. The .tui zone is signed, so a .tui domain can turn on DNSSEC once its registrar adds a DS record.