Skip to main content
DNS Checker(beta)

.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.

Registry:SITA INC B.V.
Introduced:2001-12-21
Updated:Apr 29, 2026
Restrictions:

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

Registration Price:USD 44.99
Renewal Price:USD 44.99

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.

RegistrarRegistrationRenewalTransfer
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

airfrance.aero
lufthansa.aero
Emirates.aero
qataraviation.aero
swiss.aero
klm.aero
cathaypacific.aero
delta.aero
united.aero
aa.aero

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?

MetricValue
Extension.aero
TypeSponsored TLD (sTLD)
Total Registrations13,695
DNSSEC Adoption2.1%
Registration PriceUSD 44.99
Renewal PriceUSD 44.99
Registry OperatorSITA INC B.V.
Introduced2001-12-21
RestrictionsRestricted 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

LengthRegistered% FullDensity
2 chars345.0%
3 chars1,6309.3%
4 chars1,3800.30%
5 chars1,1890.01%
6 chars1,413<0.01%
7 chars1,397<0.01%
8 chars1,272<0.01%
9 chars1,057<0.01%
10 chars821<0.01%
11 chars687<0.01%
12 chars526<0.01%

Top DNS Providers

Cloudflare1.6KGandi390Amazon Route 53307Microsoft Azure DNS137GoDaddy98

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

  1. Choose an accredited domain registrar that offers .aero domains
  2. Check domain availability using the registrar's search tool
  3. Complete the registration process and provide required information
  4. Pay the registration fee (typically USD 44.99)
  5. Manage your domain settings through your registrar's control panel

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.