.arpa TLD

ARPA is a special-use top-level domain used exclusively for technical infrastructure purposes in the Internet's Domain Name System (DNS). It is not available for public registration.

Basic Information

TLD: .arpa

Name: .ARPA

Type: gTLD

Status: Active

Registry & Operations

Registry Operator: Internet Architecture Board (IAB)

Pricing Information

Currency: USD

Registration Features

IDN Support: No

Public Registration: ✗ Restricted

Server Information

IANA Link: https://www.iana.org/domains/root/db/arpa.html

Registration Requirements

Reserved for Internet infrastructure use only, not available for public registration.

Restrictions

Reserved for Internet infrastructure use only, not available for public registration.

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Last Updated

Nov 24, 2025