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hubstaff.com

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

Domain & DNS

warn

29 passed 1 warn 0 failed

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: ivan.ns.cloudflare.com: "2026.10.2"; roxy.ns.cloudflare.com: "2026.10.2". Hide or replace the version string.
    #17

Recent checks

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Domain & DNS report for hubstaff.com ›

Mail

error

23 passed 5 warn 0 failed 2 errors

lookups failed for dnssec, mta-sts; results are incomplete

Areas

!SPF !DMARC !DKIM iDNSSEC !MX iTLS iBIMI

Problems

  • !
    7 of 10 DNS lookups, with problems
    SPF · SPF record needs 7 DNS lookups (limit is 10). Problems found: include:8683234.spf03.hubspotemail.net could not be resolved: DNS query for 8683234.spf03.hubspotemail.net failed: read udp 46.225.38.91:44336->8.8.8.8:53: i/o timeout.
    #2
  • !
    Hosts without IPv6
    MX · The following MX hosts could not be resolved to IPv6 addresses: smtp.google.com
    #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
  • !
    Subdomains unprotected (sp=none)
    DMARC · DMARC subdomain policy is sp=none, so spoofed mail from subdomains is not blocked. Consider sp=quarantine or sp=reject.
    #20
  • !
    1024-bit DKIM key
    DKIM · 1024-bit RSA keys are the minimum and are considered weak today: google (1024 bits), s2 (1024 bits). Rotate to a 2048-bit key.
    #23

Recent checks

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