.aero sTLD
The .aero TLD is a sponsored top-level domain exclusively reserved for the global aviation industry. It was created to provide a trusted, secure online space for airlines, airports, manufacturers, travel agents, and other qualified aviation entities.
Restricted to members of the aviation industry and community; registrations require eligibility verification.
.aero Domain Overview
The .aero extension is a sponsored top-level domain (sTLD) in the Domain Name System (DNS). It is managed by SITA INC B.V.. .aero was introduced in 2001. There are currently 13,695 domains registered under this extension. Registration prices start from USD 44.99. DNSSEC adoption stands at 2.1%.
Registration Info
Price range based on 1 registrar. Actual prices may vary.
Security Features
- DNSSEC
- CAA Record Support
Where to Register a .aero Domain — Price Comparison
Compare .aero domain registration and renewal prices across 1 registrar. Prices are in USD and updated daily.
| Registrar | Registration | Renewal | Transfer |
|---|---|---|---|
| dynadot | $44.99 | $44.99 | $44.99 |
Prices checked May 27, 2026. Prices exclude ICANN fees where applicable and may vary by registrar promotions or contract terms.
What Is the History of .aero?
The .aero domain was delegated by ICANN on December 21, 2001, becoming the world’s first sponsored TLD for a single industry. Sponsored by SITA, it was developed to address the need for a secure, industry-specific namespace. After a phased rollout, public registrations began in 2008 with strict eligibility requirements to ensure authenticity and trust.
Did you know?
The .aero TLD serves a specific purpose in the domain ecosystem, providing users with clear context about the websites using this extension.
What Is .aero Used For?
The .aero TLD is commonly used for the following purposes:
Airline websites
Airport authority portals
Aircraft manufacturers
Aviation service providers
Flight booking agencies
Aviation regulatory bodies
Air traffic control organizations
Aerospace research institutions
Pilot associations
Aviation insurance providers
Popular Websites
How Many .aero Domains Are Registered?
Total Registrations
13,695
DNSSEC Adoption
2.1%
Alternative TLDs
If .aero doesn't meet your needs, consider these alternatives:
How Does .aero Compare?
| Metric | Value |
|---|---|
| Extension | .aero |
| Type | Sponsored TLD (sTLD) |
| Total Registrations | 13,695 |
| DNSSEC Adoption | 2.1% |
| Registration Price | USD 44.99 |
| Renewal Price | USD 44.99 |
| Registry Operator | SITA INC B.V. |
| Introduced | 2001-12-21 |
| Restrictions | Restricted to members of the aviation industry and community; registrations require eligibility verification. |
How Available Are .aero Domain Names?
Registration density analysis for .aero domains by character length. Currently 11,406 domains are registered across all lengths.
Total Registered
11.4K
Peak Saturation
9.3%
3-char names
DNSSEC Adoption
1.9%
Top Provider
Cloudflare
| Length | Registered | % Full | Density |
|---|---|---|---|
| 2 chars | 34 | 5.0% | |
| 3 chars | 1,630 | 9.3% | |
| 4 chars | 1,380 | 0.30% | |
| 5 chars | 1,189 | 0.01% | |
| 6 chars | 1,413 | <0.01% | |
| 7 chars | 1,397 | <0.01% | |
| 8 chars | 1,272 | <0.01% | |
| 9 chars | 1,057 | <0.01% | |
| 10 chars | 821 | <0.01% | |
| 11 chars | 687 | <0.01% | |
| 12 chars | 526 | <0.01% |
Top DNS Providers
Updated daily from zone file analysis. Alpha density = registered / 26^length.
Compare across all TLDs →How Do I Register a .aero Domain?
Eligibility
Applicants must be affiliated with the aviation industry (e.g., airline, airport, manufacturer, aviation service provider, regulatory body, or association) and verify eligibility through the .aero registry via an accredited registrar.
Open Registration
The .aero TLD is available for registration through accredited domain registrars.
Registration Process
- Choose an accredited domain registrar that offers .aero domains
- Check domain availability using the registrar's search tool
- Complete the registration process and provide required information
- Pay the registration fee (typically USD 44.99)
- Manage your domain settings through your registrar's control panel
.aero vs Related Domain Extensions
How does .aero 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 .aero 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 .aero 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.