Check any email address against 10,000+ known disposable email providers. Validates syntax and MX records instantly.
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Enter an email address to check
Disposable email providers (also called throwaway, temporary, or burner email services) allow anyone to create an inbox that expires after minutes or hours. They are commonly used to bypass registration walls, avoid marketing lists, or create fake accounts. This tool checks whether an email address belongs to one of 8,000+ known disposable providers and also confirms whether the domain has active mail servers.
Enter a full email address and click Check. The tool validates the address syntax, checks the domain against the disposable provider list, and performs a live MX record lookup to confirm whether the domain can receive mail. All processing happens in your browser except two checks, for which only the domain is sent to VLANlab's server: the MX lookup, which uses the VLANlab DNS resolver, and a catch-all test, in which VLANlab's server connects to the domain's mail server and asks whether it would accept a made-up address. No mail is sent.
A Not Disposable result means the domain is not in the known list, not that the address is definitely legitimate. The dataset is community-maintained and updated regularly, but new throwaway providers emerge constantly. For full email security grading including SPF, DMARC, and DKIM, use the Email Inspector.