Checked at the registries · October 23, 2026
Every three- and four-letter .com is taken. Below are the shortest names that are not: 59,765 pronounceable five-letter .coms nobody has registered, and the 109 three-letter .io names still sold at the normal price.
Names built consonant, vowel, consonant, vowel, consonant: 231,525 of them exist. On October 23, 2026, 171,760 of them (74.2%) were registered. These 59,765 were not: the registry had no record of them at all. Of 200 we priced at Name.com, 200 sold at the standard price. Names get registered every day, so each one opens a live check before you buy.
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Download all 59,765 (CSV, CC BY 4.0) · archived at doi:10.5281/zenodo.23587752
We looked up all 17,576 three-letter .io names. 451 had no nameservers, and Name.com checked each of them: 342 turned out to be registered or reserved by the registry, and these 109 sold at the standard .io price (renewing at $59.99 to $79.99 a year there). None spells a word; they suit short links, tools and personal handles.
On October 23, 2026 every name was looked up at its extension’s own nameservers. A registered name can lack nameservers (on hold, or parked without DNS), so every .com without them was then looked up in the registry’s own registration record: 2,584 were registered that way and are left out. The .io registry refused those lookups, so its names went straight to Name.com, which reports registered and reserved names as unavailable. Letters a to z only. The counts behind both lists, and the same check for .net, .org, .co and .ai, are in are all 3, 4 and 5-letter .com domains taken.
Longer names are far easier. The finder suggests names for an idea and checks them across hundreds of extensions, and its search options can cap the length.