Comprehensive information about all top-level domains (TLDs) including generic, country code, and brand-specific domains.
Showing 12 of 2000 TLDs ( 2000 total)
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.
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 13,466 domains registered under this extension. Registration prices start from USD 44.99. DNSSEC adoption stands at 1.5%.
Price range based on 1 registrar. Actual prices may vary.
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 April 11, 2026. Prices exclude ICANN fees where applicable and may vary by registrar promotions or contract terms.
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.
The .aero TLD serves a specific purpose in the domain ecosystem, providing users with clear context about the websites using this extension.
The .aero TLD is commonly used for the following purposes:
13,466
1.5%
If .aero doesn't meet your needs, consider these alternatives:
| Metric | Value |
|---|---|
| Extension | .aero |
| Type | Sponsored TLD (sTLD) |
| Total Registrations | 13,466 |
| DNSSEC Adoption | 1.5% |
| 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. |
Registration density analysis for .aero domains by character length. Currently 11,304 domains are registered across all lengths.
Total Registered
11.3K
Peak Saturation
9.2%
3-char names
DNSSEC Adoption
1.7%
Top Provider
Cloudflare
| Length | Registered | % Full | Density |
|---|---|---|---|
| 2 chars | 34 | 5.0% | |
| 3 chars | 1,618 | 9.2% | |
| 4 chars | 1,372 | 0.30% | |
| 5 chars | 1,174 | 0.01% | |
| 6 chars | 1,398 | <0.01% | |
| 7 chars | 1,383 | <0.01% | |
| 8 chars | 1,267 | <0.01% | |
| 9 chars | 1,041 | <0.01% | |
| 10 chars | 814 | <0.01% | |
| 11 chars | 681 | <0.01% | |
| 12 chars | 522 | <0.01% |
Updated daily from zone file analysis. Alpha density = registered / 26^length.
Compare across all TLDs →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.
The .aero TLD is available for registration through accredited domain registrars.
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.
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 .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.