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tuta.com

Checked 2026-10-22 11:13 UTC · first added 2026-10-21
!Passed with warnings Score 85 of 100

Domain & DNS

ok

32 passed 0 warn 0 failed

Areas

iRegistration iDelegation ✓Nameservers ✓SOA iDNSSEC ✓Records

Recent checks

✓

Full report

Domain & DNS report for tuta.com ›

Mail

warn

28 passed 5 warn 0 failed

Areas

✓SPF !DMARC ✓DKIM !DNSSEC !MX ✓TLS iBIMI

Problems

  • !
    Policy: quarantine
    DMARC · DMARC policy is set to 'quarantine'. Consider upgrading to 'reject' for stronger protection once you've verified legitimate emails are passing authentication.
    #4
  • !
    Hosts without IPv6
    MX · The following MX hosts could not be resolved to IPv6 addresses: mail.tutanota.de
    #11
  • !
    Single MX host, no backup
    MX · Only one MX record found. For better email reliability, consider adding at least one backup MX server.
    #12
  • !
    No aggregate reports (rua)
    DMARC · DMARC record has no rua tag, so you receive no aggregate reports about who sends mail as your domain. Add rua=mailto:...
    #19
  • !
    Signatures expire in 7h0m0s
    DNSSEC · DNSKEY signatures expire at 2026-10-22T18:00:00Z (in 7h0m0s). Check that re-signing works.
    #21

Recent checks

!

Full report

Mail report for tuta.com ›