SpoofCheck
🇫🇷Free email security analysis

Results for protonmail.com

75B
This domain is protected against spoofing

SPF

Warning
v=spf1 include:_spf.protonmail.ch ~all
Read the guide

DKIM

OK
Selectors: protonmail3

DMARC

Warning
v=DMARC1; p=quarantine; fo=1; aspf=s; adkim=s;
Read the guide

MX

OK
mail.protonmail.ch, mailsec.protonmail.ch

Recommendations

  1. 1Upgrade your DMARC policy from p=quarantine to p=reject for full blocking
  2. 2Add rua=mailto:dmarc@yourdomain to your DMARC to receive reports
  3. 3Harden your SPF by replacing ~all with -all (hardfail)
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