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Other organisations matching “protonmail.com”
Separately-registered entities that share the name — not confirmed part of the group above.
Domain footprint: protonmail.com
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:
185.70.42.12 → protonmail-mnt
SPF sends via:
_spf.protonmail.ch