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andrebreton.fr

Checked 2026-10-22 01:34 UTC · first added 2026-10-21
✗Problems found Score 78 of 100

Domain & DNS

ok

30 passed 0 warn 0 failed

Areas

iRegistration iDelegation ✓Nameservers iSOA ✓DNSSEC iRecords

Recent checks

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Mail

fail

17 passed 4 warn 1 failed

Areas

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

Problems

  • ✗
    No DMARC record
    DMARC · No DMARC record was found for this domain. DMARC is essential for preventing email spoofing. Add a DMARC record with p=reject or at least p=quarantine.
    #5
  • !
    Ends with ?all (neutral)
    SPF · SPF record uses ?all (neutral), which gives no protection against unauthorized senders. Use -all or ~all instead.
    #3
  • !
    No key under common selectors
    DKIM · The _domainkey name exists but no DKIM key was found under the common selectors. Selectors are provider-specific; check yours with -selector.
    #7
  • !
    Reverse DNS does not match
    MX · The PTR name of these addresses does not resolve back to the same address: 2001:4b98:dc4:8::215 -> spool6.mail.gandi.net, 2001:4b98:dc4:8::217 -> spool8.mail.gandi.net, 2001:4b98:dc4:8::216 -> spool7.mail.gandi.net.
    #30
  • !
    Not configured
    TLS · MTA-STS is not configured, so other mail servers fall back to unencrypted delivery when TLS fails or is stripped by an attacker. Publish a _mta-sts TXT record and a policy at https://mta-sts.<domain>/.well-known/mta-sts.txt.
    #32

Recent checks

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