Comprehensive information about all top-level domains (TLDs) including generic, country code, and brand-specific domains.
Showing 12 of 2000 TLDs ( 2000 total)
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.
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 pricing for .open is not publicly listed. Brand TLDs are typically restricted to the owning organization.
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.
Brand TLDs like .open are part of ICANN's New gTLD Program launched in 2012, which expanded the domain namespace beyond traditional TLDs.
The .open TLD is commonly used for the following purposes:
5
20.0%
| 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. |
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 →Registration is limited to American Express Travel Related Services Company, Inc. and its authorized subsidiaries and affiliates. No public registration is permitted.
This is a brand TLD exclusively controlled by American Express Travel Related Services Company, Inc.. It is not available for public registration.
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.
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 .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.