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TLD typeGeneric top-level domain (gTLD)
DocumentsICANN registry agreement
Registry websiteRegistry – Google

.dev is a top-level domain name operated by Google.[1] It was proposed in ICANN's new generic top-level domain (gTLD) program, and has become available to the general public on March 1, 2019, with an early access period that began on February 19.[2] To increase the security of the domains, the entire gTLD has been included in the HSTS preload-list. HTTPS is required to connect to a .dev webpage.[3]


The .dev top-level domain is incorporated on the HSTS preload list, requiring HTTPS on all .dev domains without individual HSTS enlistment.[citation needed]


Web developers have been using .dev top-level domains within their internal networks for testing purposes for a long time. However, after Google acquired the TLD, such environments have stopped functioning on some modern web browsers.[4][5]

See also[edit]


  1. ^ "Delegation Record for .DEV". IANA.
  2. ^ ".dev". get.dev.
  3. ^ "Hello .dev". get.dev. Retrieved 2019-09-03.
  4. ^ "Use a .dev domain? Not anymore. – Medium Engineering". 28 November 2017.
  5. ^ "Wondering why your internal .dev web app has stopped working?". The Register.

External links[edit]