.app

.app is run by Google Registry for app developers and software products. It is open to anyone, with one technical condition attached.

Every .app domain is on the HSTS preload list, so browsers refuse to load it over plain HTTP. You must have a valid SSL certificate before the site will work at all — which is the point: it guarantees visitors a secure connection.

• Anyone can register, anywhere in the world. No business number or trade mark is required.
• HTTPS is mandatory. The whole extension is HSTS preloaded, so a .app site will not load without a valid SSL certificate.
• Names are allocated first come, first served.

• You can renew at any time before expiry, for a new term of one to ten years.
• If the domain expires there is a 45 day grace period in which it can be renewed at the normal price. The domain usually stops resolving during this window, so the website and email go down.
• After that it enters a 30 day redemption period. It can still be recovered, but only by paying a redemption fee on top of the renewal.
• After redemption the domain sits in a five day pending delete state and cannot be recovered at all. It is then released for anyone to register.

• You need the authorisation code (also called the EPP or auth code) from your current registrar, and the domain must be unlocked.
• A domain cannot be transferred within 60 days of being registered, or within 60 days of a previous transfer.
• The registrant is emailed to approve the transfer. Without a response it completes automatically after five days.
• A transfer adds one year to the registration term, so no time is lost.

• The registrant can be changed at any time through your registrar.
• ICANN policy requires both the outgoing and incoming registrant to confirm the change by email.
• After the change the domain is locked against registrar transfers for 60 days, unless that lock is declined at the time.
• Changing the registrant does not change the expiry date.

• Contact details and dispute policies are published on the registry website linked above.
• Disputes are handled under ICANN's Uniform Domain-Name Dispute-Resolution Policy (UDRP).