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hubspot.com

Checked 2026-10-22 09:13 UTC · first added 2026-10-21
!Check could not complete

Domain & DNS

error

19 passed 2 warn 0 failed 2 errors

lookups failed for delegation, dnssec; results are incomplete

Areas

iRegistration iDelegation !Nameservers ✓SOA iDNSSEC !Records

Problems

  • !
    Software version disclosed
    Nameservers · These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: jerry.ns.cloudflare.com: "2026.10.2"; yolanda.ns.cloudflare.com: "2026.10.2". Hide or replace the version string.
    #17
  • !
    Very low TTLs
    Records · These records have a TTL below 5m, causing extra queries and slower lookups: MX (2m). Low TTLs are useful just before a planned change.
    #32

Recent checks

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Full report

Domain & DNS report for hubspot.com ›

Mail

error

20 passed 3 warn 0 failed 1 errors

lookups failed for spf; results are incomplete

Areas

iSPF ✓DMARC !DKIM ✓DNSSEC !MX !TLS ✓BIMI

Problems

  • !
    Single MX host, no backup
    MX · Only one MX record found. For better email reliability, consider adding at least one backup MX server.
    #12
  • !
    1024-bit DKIM key
    DKIM · 1024-bit RSA keys are the minimum and are considered weak today: google (1024 bits). Rotate to a 2048-bit key.
    #23
  • !
    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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Full report

Mail report for hubspot.com ›