All domain extensions
All 1437 top-level domains in the root zone: original, country code, new generic, brand and non-Latin. Search by suffix, country or manager, and see which ones are DNSSEC-signed.
1437 extensions
"+N more" = second-level suffixes under that extension (for .in: co.in, net.in, gov.in …), from the Public Suffix List. Type a full name such as example.today to look up whether it is registered.
Original (1985 to 1988) · 8
The first extensions, from the early days of DNS.
Country code · 248
Two letters for a country or territory, from the ISO 3166 list. Each country sets its own rules.
Early generic (2000 to 2012) · 15
Added by ICANN in small rounds before the 2012 program.
New generic (2013 on) · 660
From ICANN's 2012 program: open or restricted extensions for words, places and communities.
Brand · 366
A company's own extension (ICANN Specification 13). Only that company registers names under it, for example .aws for Amazon Web Services and .sbi for State Bank of India.
Non-Latin scripts · 140
Extensions in Arabic, Chinese, Cyrillic, Devanagari and other scripts (IDNs).
About this list
Every top-level domain in the DNS root zone, from IANA's list, grouped by kind. Brand extensions are those ICANN marks with Specification 13: see popular sites on brand extensions. 1351 of 1437 have a DS record in the root (our weekly check, 26 Oct 2026): names under them can use DNSSEC with a full chain of trust. Read more in Domain extensions and How domain names work.