.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
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
Feb 23, 2026