How to check if a .com is available (and what to do when it is taken)
“Is that name's .com available” looks like a one-second question, and the usual one-second answer is wrong as often as it is right. A registrar search box is built to sell you a domain, so it can show a name as free when it is parked, premium-priced, or about to be re-registered. The reliable answer comes from the registry itself. Here is how to read it, why the .com still matters, and what to do when the one you want is gone.
Check the registry, not a reseller search box
The fastest way to get a misleading answer is to type the name into the first search box you find. Registrar search boxes are sales tools. They are tuned to keep you in a buying flow, so a domain can be shown as “available” at a four-figure premium price, surfaced as a parked listing with a “make offer” button, or padded with a wall of alternate extensions meant to sell you something when the .com is gone. None of that tells you the one thing you need: is this exact .com unregistered right now.
The authoritative source is the registry, queried over RDAP. RDAP (Registration Data Access Protocol) is the modern, structured replacement for WHOIS, and it answers a clean question with a clean answer: does a registration record exist for this domain or not. If RDAP returns no record, the .com is genuinely unregistered at that moment. If it returns a record, the name is taken, regardless of how a reseller chooses to dress it up. This is the check that sits behind this tool: every name it generates is screened against the registry over RDAP, so taken and premium-priced domains never reach you in the first place.
Why the .com still matters
It is fair to ask whether the .com is worth this much care when so many alternatives exist. For most software and consumer companies, it still is. The .com remains the default a customer types from memory, the address a journalist links without checking, and the version a partner assumes is yours. The alternatives quietly work against you. A hyphen gets dropped in conversation and lost in word of mouth. An alternate extension sends traffic, and sometimes trust, to whoever owns the matching .com. A near-miss spelling invites the same confusion every time the name is said out loud. Each of these signals the same thing to anyone paying attention: the real name was already taken.
There are categories where this matters less: a regional brand, an internal tool, a project that will never need to be typed. If that is you, an alternate extension is a reasonable call. But if the name is going on a homepage, a pitch, and a thousand future word-of-mouth mentions, treat the matching .com as part of the name, not a nice-to-have.
What to do when the .com is taken
A taken .com is not the end of the name, but it is a fork in the road. You have three honest options, in roughly this order.
- Try disciplined variations. A short, natural prefix or suffix can land a clean .com without wrecking the name: a real modifier (“get”, “use”, “try”) only if it still reads well, a compound with a second real word, or a tighter spelling that a person can still hear and type correctly. What does not work is a hyphen or a swapped extension dressed up as a solution; those carry the same cost as the original miss.
- Pick a different name. Often the faster path is to stop defending one word and generate a fresh set where the .com is free from the start. A name you can fully own beats a slightly better name you can only half-own.
- Walk away, or pay deliberately. If the .com is parked with a “make offer”, you can negotiate, but go in with a number and treat four figures as a real decision, not a reflex. If the holder is an operating business, especially one in or near your category, that is also a trademark signal worth heeding, not just a domain you cannot buy.
Paste a domain into this tool and it does this step for you: it checks the exact name against the registry and, when it is taken, offers available look-alikes whose .com is genuinely free, so you move straight from “gone” to a usable shortlist.
A live check is a snapshot, so claim quickly
One honest caveat about any domain check, including this one. A registry result reflects the registry at the instant it was queried. Registrations change by the minute: a name that is free when you read this can be gone before you finish your coffee, and a name that looks taken can drop and reopen. The check tells you the truth about right now, not a reservation. So when a registry check shows the .com you want is free, the move is to register it quickly at the registrar of your choice, before someone else asks the same question. Confirming availability and owning the name are two different acts, and only the second one is yours to keep.
Questions, answered
How do I check if a domain is available?
Query the registry over RDAP rather than trusting a registrar search box, which is built to sell and can show parked or premium-priced names as available. RDAP, the modern replacement for WHOIS, returns whether a registration record exists for the exact domain. No record means the .com is genuinely unregistered at that moment. This tool runs that registry check for you on every name it generates.
Why does a registrar say a domain is available when it is not really free?
Because a search box is a sales surface, not a neutral lookup. Available there can mean available at a four-figure premium price, available as a parked listing where the owner will entertain an offer, or available only as a different extension the registrar would rather sell you. A direct registry query strips that away and answers the one question that matters: is this exact .com registered or not.
My .com is taken. What are my options?
Three, in order: try disciplined variations that still read and spell cleanly, generate a different name where the .com is free from the start, or, if you truly want a parked domain, negotiate deliberately with a fixed number in mind. Avoid solving a taken .com with a hyphen or an alternate extension; they carry the same cost as the miss. If the holder is an operating business in your category, treat that as a trademark signal too.
Do I really need the .com instead of another extension?
For most software and consumer companies, yes. The .com is still the default people type, link, and assume is yours, and a hyphen or alternate extension quietly leaks that the real name was taken. For a purely regional brand, an internal tool, or a project that will rarely be typed, an alternate extension can be a reasonable call. If the name is going on your homepage and into a thousand word-of-mouth mentions, treat the matching .com as part of the name.
If a check shows the .com is free, is it reserved for me?
No. A registry check is a snapshot of that instant, and registrations change by the minute, so a free name can be gone shortly after. Confirming availability and owning the domain are separate acts; only registering it makes it yours. When a check comes back clean, claim the name quickly at the registrar of your choice rather than assuming it will wait.
Related: how to check a startup name, start to finish, and how to check if a name is trademarked.
Trademark results are an automated database search against the USPTO and EUIPO registries, not legal advice and not a clearance opinion. Registries change daily; results are dated. Before filing, have counsel run full clearance.