Stop hunting for ideas. Start with the domain name.

BuildOnDomains curates descriptive .com domains at auction that tell you exactly what to build. Each domain comes with a suggested business idea, a way to monetise and search-demand data - so you can bid with conviction.

This guy owns onions.com
Peter Askew
Peter Askew
@searchbound
Leslie's @BuildOnDomains tool just surfaced this neat expiring domain to develop as a job board. 🪓 This neat app is quickly becoming a daily visit for me... great stuff Leslie 👏🙏
9:22 PM · May 1, 2026 · 7,115 Views

Inventory from industry giants

GoDaddy
SnapNames
Dropcatch
NameCheap

How it works

From a curated list to a business you own, in three steps.

Find a domain

Browse our curated list of domains, each with a business idea and search-demand data.

Bid and win the auction

Place your bid on the auction platform and win the domain outright.

Start your business

The name already tells customers what you do, so you can get building.

Try The Demo

Fully interactive demo — click around
app.buildondomains.com/domains

Hi, there!

Live Auctions

21 domains

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Know what to build

Spencer won pastureraisedbeef.com at auction and turned it into a directory.

Spencer Vail
Spencer Vail
@SpencerVail
“Seriously great product. Was overwhelmed trying to find “good” expiring domain names straight on the registrars, and your tool was exactly what I was looking for.”

Save hours of hunting

We curate business-ready domains daily, so a quick scan replaces the grind.

Gabe Garcia
Gabe Garcia
@gabegarcia
“You can easily spend hours daily browsing domain auctions and still miss the best ones. BuildOnDomains by Leslie is a nice curation of business-ready domains with new domains added every day.”

Make informed decisions

Every listing has Google Trends data so you can gauge search interest before bidding.

Niche Trend
"tiny home rental"
Niche Trend
"electrical upgrades"

Pricing

Try everything free for 7 days — the full product, no limits. Go Paid to keep going.

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The domains
Full access
7 days
Ongoing
Ongoing
Curated exact-match, descriptive domains
Every domain
Every domain
Every domain
New domains daily
Search, filter and sort domains
Judge before you bid
Suggested ways to monetise domains
Google Trends demand check
Search volume data
Cost per click data
Backlink count data
Track and act
Watchlist
Unlimited
Unlimited
Unlimited
Auction-ending alerts
Daily digest email
Available to Register
Available to Register

Frequently Asked Questions

Start finding domains worth building on

Try the full product free for 7 days — every curated domain, trends data, and monetisation ideas. No limits. No credit card.