Comprehensive information about all top-level domains (TLDs) including generic, country code, and brand-specific domains.
Showing 12 of 2000 TLDs ( 2000 total)
UOL
The .uol TLD is a brand-specific domain operated by UOL, Brazil’s largest online content portal. It was created to unify UOL’s vast digital ecosystem under a single, secure, and recognizable extension, reinforcing brand integrity and preventing cybersquatting.
Restricted to UOL and its authorized entities; no public registrations allowed.
The .uol extension is a brand top-level domain in the Domain Name System (DNS). It is managed by UBN INTERNET LTDA.. .uol was introduced in 2014. There are currently 57 domains registered under this extension. DNSSEC adoption stands at 1.8%.
Registration pricing for .uol is not publicly listed. Brand TLDs are typically restricted to the owning organization.
The .uol domain was applied for under ICANN’s New gTLD Program by UOL, Brazil’s pioneering internet portal founded in 1996. It received its Registry Agreement from ICANN on May 1, 2014, and was officially delegated to the DNS root zone on August 16, 2014. UOL designed .uol to serve as a closed, secure namespace for its services, partners, and digital content, strengthening brand trust and reducing phishing risks.
Brand TLDs like .uol are part of ICANN's New gTLD Program launched in 2012, which expanded the domain namespace beyond traditional TLDs.
The .uol TLD is commonly used for the following purposes:
57
1.8%
| Metric | Value |
|---|---|
| Extension | .uol |
| Type | Brand TLD |
| Total Registrations | 57 |
| DNSSEC Adoption | 1.8% |
| Registration Price | Contact registrar |
| Renewal Price | Contact registrar |
| Registry Operator | UBN INTERNET LTDA. |
| Introduced | 2014-08-16 |
| Restrictions | Restricted to UOL and its authorized entities; no public registrations allowed. |
Registration density analysis for .uol domains by character length. Currently 55 domains are registered across all lengths.
Total Registered
55
Peak Saturation
0.30%
2-char names
DNSSEC Adoption
1.8%
Top Provider
Amazon Route 53
| Length | Registered | % Full | Density |
|---|---|---|---|
| 2 chars | 2 | 0.30% | |
| 3 chars | 8 | 0.05% | |
| 4 chars | 6 | <0.01% | |
| 5 chars | 6 | <0.01% | |
| 6 chars | 7 | <0.01% | |
| 7 chars | 6 | <0.01% | |
| 8 chars | 7 | <0.01% | |
| 9 chars | 6 | <0.01% | |
| 10 chars | 3 | <0.01% | |
| 11 chars | 3 | <0.01% | |
| 12 chars | 1 | <0.01% |
Updated daily from zone file analysis. Alpha density = registered / 26^length.
Compare across all TLDs →Not available for public registration; only UOL and authorized affiliates may register subdomains.
This is a brand TLD exclusively controlled by UBN INTERNET LTDA.. It is not available for public registration.
DNSChkr maintains a comprehensive TLD directory covering all 1,900+ active top-level domains. The data on this page combines multiple authoritative sources to provide information not found in standard TLD listings.
Domain registration counts and density analysis are computed daily from TLD zone files, providing accurate registration statistics rather than estimates.
DNSSEC deployment percentages are measured by scanning actual DNS records across all registered domains in each TLD zone.
Registration, renewal, and transfer prices are checked hourly across multiple accredited registrars and compared automatically.
DNS provider distribution is calculated from nameserver records, showing which hosting providers serve the most domains in each TLD.
Use DNSChkr tools to inspect any .uol domain: run a full DNS health check, check DNS propagation, look up WHOIS records, or verify email authentication.
Disclaimer: The information on this page is sourced from IANA, ICANN, and respective registry operator publications, then structured and formatted with the assistance of AI. While accuracy is a priority, details such as pricing, registration requirements, and policies may change. Always verify with the official registry or an accredited registrar before making registration decisions.