Unverified50% confidenceFactExact time

.arpa is the first top-level domain in the history of the Internet.

1

Sources

50%

Confidence

Long-term

Relevance

9/12/2026

First Seen

Sources

What Is a .arpa Domain? Reverse DNS Lookup and How to Get One for Free

Related Entities

Related Claims

UnverifiedIn recent years, ICANN has opened up applications for generic top-level domains, resulting in hundreds of new suffixes such as .click, .xyz, .dev, .io, and .app, with first-year registration prices for new top-level domains often as low as $1–5.56% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/914001

API

curl https://kongchang.com/api/v1/knowledge/claims/914001

MCP

get_claim(id=914001)