.uol
.uol is a brand extension, run by UBN INTERNET LTDA. since 2014. Only UBN INTERNET LTDA., its affiliates and trademark licensees can register .uol names; they are not for sale to the public.
| Type | Brand |
|---|---|
| Registry operator | UBN INTERNET LTDA. |
| Who can register | Brand owner only Brand extension: only the registry operator, its affiliates and trademark licensees register names. |
| In the root zone since | 16 August 2014 |
| DNSSEC | Signed |
| RDAP server | https://rdap.gtlds.nic.br/ |
| WHOIS server | None listed |
| IANA record | iana.org/domains/root/db/uol |
Look up a .uol domain
The .uol registry publishes registration data over RDAP. The free domain report reads it and shows a .uol 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 Something out of date?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 .uol extension?
UBN INTERNET LTDA. is the registry operator for .uol. The registry keeps the list of every .uol name; registrars sell the names to the public.
Can anyone register a .uol domain?
Only UBN INTERNET LTDA., its affiliates and trademark licensees can register .uol names; they are not for sale to the public.
When was .uol created?
.uol was added to the DNS root zone on 16 August 2014, according to IANA.
How do I look up who owns a .uol domain?
The .uol registry publishes registration data over RDAP at https://rdap.gtlds.nic.br/. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.
Is .uol signed with DNSSEC?
Yes. The .uol zone is signed, so a .uol domain can turn on DNSSEC once its registrar adds a DS record.