MX records for proton.me
Live MX lookup for proton.me: 2 mail hosts, run by Proton Mail.
try:
- mail hosts
- mail.protonmail.ch, mailsec.protonmail.ch
- provider
- proton
- spf record
- v=spf1 include:_spf.protonmail.ch ~all
- dmarc policy
- quarantine
- dmarc record
- v=DMARC1; p=quarantine; fo=1; aspf=s; adkim=s;
- disposable domain
- no
- free consumer provider
- yes
Mail servers for proton.me
DNS lists 2 mail hosts for proton.me, starting with mail.protonmail.ch. Lower priority values are tried first; the rest exist for failover.
Who runs the mail
The hosts match the pattern of Proton Mail. Proton Mail hosts the mailboxes. Unknown addresses are rejected at the handshake, and the service is a privacy-focused provider used for real accounts, not a burner service.
What this means for verification
For proton.me, verification runs the whole pipeline: syntax, live MX, the open lists, and then the SMTP handshake with the mail host, with no message ever transmitted. Each verdict carries a machine-readable reason.
More checks for proton.me
checked 2026-09-03 · sources: live-dns 2026-09-03 · disposable-domains 2026-09-02 · free-provider-domains 2026-09-02 · mx-provider-patterns 2026-09-03
Need this at scale?
The Spaw API runs the same checks plus mailbox-level SMTP verification, batch and bulk endpoints, and list monitoring — 10 free lookups a month, no card required.