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Domain footprint: protonmail.ch

Resolved live just now — where this domain's services actually run, with each address attributed by OrgIndex. A DNS observation, not registry data: many organisations run entirely on providers' networks and hold no IP space of their own.

Web: 185.70.42.21 → Proton AG
Mail: mail.protonmail.ch → Proton AG · mailsec.protonmail.ch → Proton AG
SPF sends via: _spf.protonmail.ch

Separately, 3 organisations whose name resembles “protonmail.ch” — these may be unrelated to the domain above.

  1. PROTONMAIL 3 netblocks · Greece Routing Unverified name
  2. protonmail-mnt 1 netblock · Greece Routing
  3. protonmail-1 1 netblock · Greece Routing