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libsyn.com

Checked 2026-10-22 09:35 UTC · first added 2026-10-21
✗Problems found Score 78 of 100

Domain & DNS

warn

25 passed 1 warn 0 failed

Areas

iRegistration iDelegation ✓Nameservers ✓SOA !DNSSEC iRecords

Problems

  • !
    Not signed
    DNSSEC · The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.
    #27

Recent checks

!

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Mail

fail

23 passed 3 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
  • !
    7 of 10 DNS lookups, with problems
    SPF · SPF record needs 7 DNS lookups (limit is 10). Problems found: include:3391700.spf04.hubspotemail.net could not be resolved: DNS query for 3391700.spf04.hubspotemail.net failed: read udp 46.225.38.91:51862->8.8.8.8:53: i/o timeout.
    #2
  • !
    Not enabled
    DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8
  • !
    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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