open data
Email domain lists, free to download
The lists behind the checker. Updated daily, one domain per line, in TXT, CSV and JSON. Downloads need a free account; you come straight back here after signing up.
Free email providers
Shared-domain providers and consumer ISPs: Gmail, Outlook, Yahoo, GMX, iCloud and thousands more.
browse & search →Disposable email domains
Temporary and throwaway inbox services, merged from open lists and our own detection.
browse & search →Education domains
Universities, colleges and schools worldwide, plus academic suffixes such as .edu and .ac.uk.
browse & search →
Lists are a snapshot. The API also classifies domains that are on no list yet, fixes typos and detects Google Workspace and Microsoft 365.