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obvion.nl

Checked 2026-10-22 15:01 UTC · first added 2026-10-21
!Check could not complete

Domain & DNS

error

29 passed 1 warn 0 failed 1 errors

lookups failed for rdap; results are incomplete

Areas

iRegistration iDelegation !Nameservers ✓SOA ✓DNSSEC ✓Records

Problems

  • !
    Software version disclosed
    Nameservers · These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: a1-167.akam.net: "41824.4"; a10-67.akam.net: "48878.33"; a10-67.akam.net: "48878.31"; a12-65.akam.net: "48878.27"; a12-65.akam.net: "48878.31"; a26-64.akam.net: "48878.33"; a26-64.akam.net: "48878.27"; a3-64.akam.net: "41824.7"; a3-64.akam.net: "41824.8"; a5-67.akam.net: "41824.6"; a5-67.akam.net: "41824.7". Hide or replace the version string.
    #17

Recent checks

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Mail

warn

31 passed 5 warn 0 failed

Areas

✓SPF ✓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
  • !
    Signatures expire in 65h0m0s
    DNSSEC · DNSKEY signatures expire at 2026-10-25T08:12:59Z (in 65h0m0s). Check that re-signing works.
    #21
  • !
    1024-bit DKIM key
    DKIM · 1024-bit RSA keys are the minimum and are considered weak today: selector1 (1024 bits), selector2 (1024 bits). Rotate to a 2048-bit key.
    #23
  • !
    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
  • !
    No certificate (a=)
    BIMI · The logo is published without a Verified Mark Certificate. Gmail and Apple Mail only show BIMI logos with a VMC or CMC; Yahoo shows it without one.
    #38

Recent checks

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Mail report for obvion.nl ›