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st.com

Checked 2026-10-22 10:51 UTC · first added 2026-10-21
!Passed with warnings Score 82 of 100

Domain & DNS

warn

26 passed 2 warn 0 failed

Areas

iRegistration iDelegation !Nameservers ✓SOA !DNSSEC iRecords

Problems

  • !
    Software version disclosed
    Nameservers · These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: a1-23.akam.net: "41824.11"; a1-23.akam.net: "41824.4"; a2-66.akam.net: "48878.27"; a2-66.akam.net: "48878.29"; a28-66.akam.net: "48878.27"; a28-66.akam.net: "48878.31"; a5-64.akam.net: "41824.6"; a5-64.akam.net: "41824.5"; a8-66.akam.net: "48878.26"; a9-65.akam.net: "41824.4"; a9-65.akam.net: "41824.6". Hide or replace the version string.
    #17
  • !
    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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Full report

Domain & DNS report for st.com ›

Mail

warn

28 passed 4 warn 0 failed

Areas

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

Problems

  • !
    Not enabled
    DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8
  • !
    Hosts without IPv6
    MX · The following MX hosts could not be resolved to IPv6 addresses: st-com.mail.protection.outlook.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
  • !
    Policy in testing mode
    TLS · With mode: testing, senders only report TLS problems (via TLS-RPT) and still deliver without TLS. Switch to mode: enforce once reports are clean.
    #33

Recent checks

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Full report

Mail report for st.com ›