.open Brand TLD
The .open TLD is a brand-specific domain operated by American Express Travel Related Services Company, Inc. It was created to support American Express's online strategy by providing a trusted and intuitive namespace for its OPEN business services and related brands.
Restricted to American Express and its authorized subsidiaries and affiliates; not available for public registration.
.open Domain Overview
The .open extension is a brand top-level domain in the Domain Name System (DNS). It is managed by American Express Travel Related Services Company, Inc.. .open was introduced in 2016. There are currently 5 domains registered under this extension. DNSSEC adoption stands at 20.0%.
Registration Info
Registration pricing for .open is not publicly listed. Brand TLDs are typically restricted to the owning organization.
Security Features
- DNSSEC
- CAA Record Support
What Is the History of .open?
The .open domain was applied for by American Express Travel Related Services Company, Inc. in ICANN's New gTLD Program in 2012 and delegated on July 21, 2016. It was designed to enhance American Express's digital presence by consolidating its OPEN business services under a dedicated, secure namespace. The registry is managed by GoDaddy Registry under contractual agreement.
Did you know?
Brand TLDs like .open are part of ICANN's New gTLD Program launched in 2012, which expanded the domain namespace beyond traditional TLDs.
What Is .open Used For?
The .open TLD is commonly used for the following purposes:
Brand protection
Corporate branding for business services
Marketing of OPEN tools and resources
Authorized affiliate websites
How Many .open Domains Are Registered?
Total Registrations
5
DNSSEC Adoption
20.0%
How Does .open Compare?
| Metric | Value |
|---|---|
| Extension | .open |
| Type | Brand TLD |
| Total Registrations | 5 |
| DNSSEC Adoption | 20.0% |
| Registration Price | Contact registrar |
| Renewal Price | Contact registrar |
| Registry Operator | American Express Travel Related Services Company, Inc. |
| Introduced | 2016-07-21 |
| Restrictions | Restricted to American Express and its authorized subsidiaries and affiliates; not available for public registration. |
How Available Are .open Domain Names?
Registration density analysis for .open domains by character length. Currently 1 domains are registered across all lengths.
Total Registered
1
Peak Saturation
0.01%
3-char names
DNSSEC Adoption
100.0%
Top Provider
—
| Length | Registered | % Full | Density |
|---|---|---|---|
| 3 chars | 1 | 0.01% |
Updated daily from zone file analysis. Alpha density = registered / 26^length.
Compare across all TLDs →How Do I Register a .open Domain?
Eligibility
Registration is limited to American Express Travel Related Services Company, Inc. and its authorized subsidiaries and affiliates. No public registration is permitted.
Restricted TLD
This is a brand TLD exclusively controlled by American Express Travel Related Services Company, Inc.. It is not available for public registration.
Registration Process
- Choose an accredited domain registrar that offers .open domains
- Check domain availability using the registrar's search tool
- Complete the registration process and provide required information
- Pay the registration fee (typically )
- Manage your domain settings through your registrar's control panel
.open vs Related Domain Extensions
How does .open compare to similar top-level domains? This comparison covers pricing, type, and availability to help choose the right domain extension.
View the full TLD Directory to browse all 1,900+ top-level domains with pricing, registration density analysis, and DNSSEC adoption rates.
Frequently Asked Questions
How Is This .open Data Compiled?
DNS Checker 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.
Zone File Analysis
Domain registration counts and density analysis are computed daily from TLD zone files, providing accurate registration statistics rather than estimates.
DNSSEC Adoption Tracking
DNSSEC deployment percentages are measured by scanning actual DNS records across all registered domains in each TLD zone.
Registrar Price Monitoring
Registration, renewal, and transfer prices are checked hourly across multiple accredited registrars and compared automatically.
Provider Market Share
DNS provider distribution is calculated from nameserver records, showing which hosting providers serve the most domains in each TLD.
Use DNS Checker tools to inspect any .open 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.