.mil sTLD
Military
The .mil TLD is a sponsored top-level domain reserved exclusively for the United States Department of Defense and its affiliated branches, including the Army, Navy, Air Force, Marine Corps, Coast Guard, and authorized defense agencies. It was one of the original seven gTLDs created in 1985 and remains a trusted identifier for U.S. military online operations.
Restricted to U.S. Department of Defense entities and authorized military organizations only. Not available for public or commercial registration.
.mil Domain Overview
The .mil extension is a sponsored top-level domain (sTLD) in the Domain Name System (DNS). It is managed by Defense Information Systems Agency (DISA). .mil was introduced in 1985.
Registration Info
Registration pricing for .mil is not publicly listed. Contact an ICANN-accredited registrar for availability and pricing.
Security Features
- DNSSEC
- CAA Record Support
What Is the History of .mil?
The .mil domain was delegated in January 1985 as one of the original seven generic top-level domains. It has been continuously operated since then by the U.S. Department of Defense, initially managed by the Defense Data Network and later transferred to the Defense Information Systems Agency (DISA) to ensure secure and authoritative control over military web infrastructure.
Did you know?
The .mil TLD serves a specific purpose in the domain ecosystem, providing users with clear context about the websites using this extension.
What Is .mil Used For?
The .mil TLD is commonly used for the following purposes:
Official U.S. military websites
Command and control systems
Defense logistics portals
Military recruitment sites
Secure communications infrastructure
Joint operations platforms
Popular Websites
How Do I Register a .mil Domain?
Eligibility
Registration is limited to U.S. DoD components, including active duty branches, defense agencies, and authorized contractors operating under DoD directive. Requires formal approval through DISA.
Open Registration
The .mil TLD is available for registration through accredited domain registrars.
Registration Process
- Choose an accredited domain registrar that offers .mil 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
.mil vs Related Domain Extensions
How does .mil 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 .mil 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 .mil 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.