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mediateur-consommation-smp.fr

Checked 2026-10-22 04:17 UTC · first added 2026-10-21
✗Problems found Score 75 of 100

Domain & DNS

warn

26 passed 1 warn 0 failed

Areas

iRegistration !Delegation iNameservers ✓SOA iDNSSEC iRecords

Problems

  • !
    Nameservers in one network
    Delegation · all IPv4 addresses are in 93.88.255.0/24; all IPv6 addresses are in 2001:1600::/48. A single network failure takes all nameservers down; RFC 2182 recommends topologically separate networks (anycast setups are an exception).
    #10

Recent checks

!

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Mail

fail

25 passed 4 warn 1 failed

Areas

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

Problems

  • ✗
    Policy: none (monitoring only)
    DMARC · DMARC policy is set to 'none', which only monitors but doesn't protect against spoofing. Consider upgrading to 'quarantine' or ideally 'reject'.
    #4
  • !
    Ends with ?all (neutral)
    SPF · SPF record uses ?all (neutral), which gives no protection against unauthorized senders. Use -all or ~all instead.
    #3
  • !
    Single MX host, no backup
    MX · Only one MX record found. For better email reliability, consider adding at least one backup MX server.
    #12
  • !
    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
  • !
    Not configured
    TLS · MTA-STS or DANE is used without TLS-RPT, so you get no reports when senders fail to deliver because of TLS problems. Publish _smtp._tls TXT "v=TLSRPTv1; rua=mailto:...".
    #35

Recent checks

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