BuiltOn
← All sites
Screenshot of sum.domains
Technology & Software

sum.domains

A client-side utility to help domain hoarders calculate their total estimated annual renewal costs across different TLDs.

Visit sum.domains ↗
Extension
.domains
Discovered
6/12/2026
Domain registered
Domain age
Newly registered
Language
English

Why it's here

  • ✓ The domain resolves and the homepage loads
  • ✓ Not parked, for sale or a placeholder page
  • ✓ Real content: at least 400 characters of text and several internal pages
  • ✓ Passed an AI review for quality and safety

Why it ranks

20 Emerging

  • Brand (25%)0

    Not a known brand

  • Popularity / traffic (20%)10

    Not in Tranco top 1M

  • Authority / backlinks (15%)unknown

    Not checked yet

  • Marketing of the domain (15%)25

    Single-purpose web tool with feedback link and developer attribution.

  • Content quality (10%)68

    68/100

  • Design & build (5%)65

    65/100

  • Domain age (10%)13

    1.3 years since registration

Clever, functional niche web utility built specifically on an exact-match .domains extension.

How the score works

Own this site?

Add this badge to show you're featured.

Featured on Built On badge
<a href="https://builton.fyi/sites/sum.domains"><img src="https://builton.fyi/api/public/badge/sum.domains.svg" alt="Featured on Built On" height="40"></a>

More on .domains