ProtonMail users (M)
Queries ProtonMail's HKP-compatible PGP key server to look up the public key for a ProtonMail username. A successful response confirms the account…
Platforms: Web · Last verified September 7, 2026
Queries ProtonMail’s HKP-compatible PGP key server to look up the public key for a ProtonMail username. A successful response confirms the account exists.
Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.
Getting started
Best for: Confirming whether a ProtonMail username exists and retrieving its PGP public key. See the official site linked above for details.