Are there any restrictions to register a .APP domain?

Yes, the registry enforces registration restrictions: All .app domains must use HTTPS (HSTS preloaded).

Does .APP support localized characters (IDN)?

No, only standard alphanumeric English characters (a-z, 0-9) and hyphens are supported.

What is the character length limit for .APP?

A .APP domain name must be between 1 and 63 characters long.

Domain Extension Guide

.APP Domain Registration & WHOIS

Analyze registry operators, character limits, IDN support status, and specific registration guidelines for .APP domains.

Extension Metadata

Min 1 Chr

Max 63 Chr

IDN NO

Category: general

Registration Eligibility

All .app domains must use HTTPS (HSTS preloaded)

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Overview & Registration Guidelines

The .APP domain extension is .app is a gTLD operated by Google Registry since 2018. HTTPS is mandatory — all .app domains must serve content over TLS (enforced via HSTS preload list). Popular with mobile application developers and software companies. Minimum label: 1, Maximum: 63. IDN not supported. It requires a minimum label length of 1 characters and supports up to 63 characters. It does not support IDN characters, meaning only standard English characters are allowed. The following registration restrictions apply: All .app domains must use HTTPS (HSTS preloaded).

To search for who owns a specific domain registered under this extension, you can perform a live query in our WHOIS portal above. The registry operator database will respond in real time with server details, domain status codes, registration/expiry dates, and name server arrays.

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.APP Domain Registration & WHOIS

Extension Metadata

Registration Eligibility

Recently Queried Domains

Overview & Registration Guidelines

Frequently Asked Questions