21x.com
AI-powered valuation based on 29 public domain sales.
Low
$500,000
Mid
$800,000
High
$1,200,000
Ultra-short 3-letter .com with digit; comps like sx.com ($555K) and sbx.com ($32.6K) suggest wide range, but strong brand potential supports mid estimate.
ultra-short .comdigit inclusionbrandable
Crowstash valuation for 21x.com. Estimates are advisory and based on public sales only.
Signals
Length: 3 (ultra-short)TLD: .comContains digits
Comparable sales (public record)
| Domain | Sold | Venue | Date |
|---|---|---|---|
| sx.com | $555,050 | NameJet | 2015-08-19 |
| tlx.com | $25,000 | NameJet | 2017-11-15 |
| rx.com | $1,000,000 | Sedo | 2019-08-07 |
| fxx.com | $60,000 | DomainNameSales | 2013-01-30 |
| sbx.com | $32,599 | NameJet | 2015-10-14 |
| gx.com | $1,200,000 | Sedo | 2025-04-02 |
| companyx.com | $10,800 | NameJet | 2016-09-14 |
| green.com | $7,500,000 | ATM Holdings (Andrew Miller) Original Source: George Kirikos | 2026-05-27 |
| twig.com | $695,000 | Apex Moon | 2026-05-27 |
| roxit.com | $58,000 | Sedo | 2026-05-27 |
| club.com | $10,000,000 | ATM Holdings (Andrew Miller)/ Hilco Digital | 2026-05-13 |
| nas.com | $1,250,000 | Lumis | 2026-05-13 |