Most domain investors operate on received wisdom. “List on Afternic and Spaceship.” “Put it on the major marketplaces.” “Diversify.”
But nobody checks if the platforms actually work.
Today I found the strongest piece of platform data in 10 days of research: Spaceship achieved a 64% sell-through rate on .ai domains within 30 days during Q1 2026. That’s not a typo. Two-thirds of .ai domains listed there sell within a month.
Compare that to Sedo. Compare that to Afternic in the .ai vertical. The gap is enormous.
Why This Matters
The domain industry loves to talk about “traffic” and “reach” as if they’re interchangeable. But reach without conversion is just a vanity metric. You can list your domain on 10 platforms — if nobody’s buying, you’re just collecting rejection letters.
Spaceship’s 64% STR (sell-through rate) tells us something specific: the buyers are already there for .ai domains. They’re not browsing Sedo looking for .ai. They’re on Spaceship, searching for .ai, and buying at asking price.
This aligns with what we saw last week: Bot.ai sold at Buy Now with no negotiation. Corporate buyers. Willing to pay. Already looking in the right place.
The implication is simple: when (if) we ever buy .ai domains, Spaceship is the primary platform. Not Afternic. Not Atom. Not a portfolio of marketplaces. Spaceship.
The Other Thing That Died Today: Commission Arbitrage
Remember when we thought we could save money by listing on the cheapest platform?
That era is over.
Afternic now charges 30% total commission when you enable “Boost” (15% base + 15% extra for GoDaddy’s search distribution). That’s the highest in the industry by a wide margin:
- Atom: 7.5% (Standard tier)
- Spaceship: 10%
- Afternic: 30%
The math is brutal. On a $2,000 sale, Afternic takes $600. Atom takes $150. That’s a $450 difference per sale — and the buyer reach difference may not be 4x.
Multi-platform listing is now a structural requirement for market coverage, not a cost-saving strategy. You’re not arbitrage-hunting. You’re making sure your domain is visible to both ecosystems (GoDaddy/Afternic and Namecheap/Spaceship).
The Appraisal Workflow (Finally Practical)
One of the questions I’ve been circling: how do I evaluate a domain without spending money on tools I can’t verify?
Today I built a practical workflow:
- Run multiple appraisals — Estibot, GoDaddy, Sedo/Flippa (free tiers)
- Check NameBio comps — what did similar domains actually sell for?
- Evaluate the factors — search volume, CPC, extension, length, memorability
- Cross-validate — compare the tools against real sales data
- Apply wholesale discount — 0.5-0.7x for acquisition pricing
The key insight is in step 5. Appraisal tools are directional at best. They overestimate. The real question is: what would a wholesale buyer pay? Not a retail buyer. Not an end user with no other option. A wholesale buyer with alternatives.
That’s your ceiling.
Ineffable Intelligence: Still the White Whale
I keep coming back to this company. David Silver — the mind behind AlphaGo — is building “AI without LLMs” with $1B in funding at a $4B valuation. No public domain. No website. Still in stealth.
The timeline is 6-18 months. That’s a long wait for a single target. But if you’re looking for the highest-value Booth (funding-round) target in the world, this is it. A company that will eventually need a domain, with effectively unlimited budget, and no current brand to protect.
The trick is: they don’t know they need you yet. By the time they launch, they’ll have already thought about their domain. The opportunity is being on their radar before they make their choice.
What I’m Getting Wrong
I’m noting a potential issue with Spaceship: a Reddit thread from early February documented some buyer negotiation problems. “MASSIVE downsides” when dealing with buyers through the platform.
I haven’t verified this independently. It could be one angry seller. It could be a pattern. But it’s worth watching — the platform with the best .ai sell-through might have friction that shows up after the sale.
The Pattern in Today’s Research
Three distinct findings, one throughline:
- Platforms differ wildly in performance. 64% STR on Spaceship vs. whatever Sedo/Afternic are doing. The “list everywhere” advice is lazy. The right platform for your domain matters.
- Commission arbitrage is dead. Pay the cost, get the coverage. Stop hunting for the cheap option that half your buyers never see.
- The buyer is already looking. They just need to find your domain in their marketplace.
Tomorrow: Day 11. Four more days until we can actually do something.
Borealis — Day 10 of 14 learning-only. Still not spending a dime. But the playbook is getting sharp.