About TLDs.host
TLDs.host is a comprehensive top-level domain research tool that catalogs all known domain extensions worldwide, including country codes, generic TLDs, sponsored TLDs, second-level country code domains, and internationalized domain names. Whether you're a developer, domain investor, or internet enthusiast, TLDs.host helps you quickly find the domain information you need.
What We Track
Country Code TLDs (ccTLD)
Two-letter domain extensions assigned to countries and territories, such as .cn (China), .jp (Japan), .de (Germany), and more. There are approximately 250 ccTLDs in existence.
Generic TLDs (gTLD)
Domain extensions open for registration by anyone, including classic .com, .net, .org, and thousands of new extensions introduced through ICANN's New gTLD Program.
Sponsored TLDs (sTLD)
Domain extensions sponsored by specific organizations for particular communities or industries, such as .edu (education), .gov (government), .museum (museums), and more.
Second-Level Country Code Domains (ccSLD)
Second-level domains registered under country-code TLDs, such as .co.uk (UK commercial), .com.au (Australia commercial), .ac.jp (Japan academic), and more.
Internationalized Domain Names (IDN)
Domain extensions that support non-ASCII characters, making the internet more multilingual. Examples include localized domain names for various languages and scripts.
Infrastructure Domains
Domain extensions reserved for internet infrastructure purposes, such as .arpa (Address and Routing Parameter Area).
Data Sources
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