SurfaceMap › z › zlto.nl

zlto.nl

Checked 2026-10-22 17:30 UTC · first added 2026-10-21
!Check could not complete

Domain & DNS

error

26 passed 1 warn 0 failed 1 errors

lookups failed for rdap; results are incomplete

Areas

iRegistration iDelegation !Nameservers ✓SOA iDNSSEC iRecords

Problems

  • !
    Software version disclosed
    Nameservers · These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: ns1.agroweb.nl: "PowerDNS Authoritative Server 4.9.18 (built Oct 7 2026 06:26:09 by root@localhost)"; ns2.agroweb.nl: "PowerDNS Authoritative Server 4.9.18 (built Oct 7 2026 06:26:09 by root@localhost)"; ns3.agroweb.nl: "PowerDNS Authoritative Server 4.9.18 (built Oct 7 2026 06:26:09 by root@localhost)". Hide or replace the version string.
    #17

Recent checks

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Full report

Domain & DNS report for zlto.nl ›

Mail

warn

25 passed 5 warn 0 failed

Areas

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

Problems

  • !
    6 of 10 DNS lookups, with problems
    SPF · SPF record needs 6 DNS lookups (limit is 10). Problems found: include:spf.zlto.nl does not exist or has no records.
    #2
  • !
    Policy: quarantine
    DMARC · DMARC policy is set to 'quarantine'. Consider upgrading to 'reject' for stronger protection once you've verified legitimate emails are passing authentication.
    #4
  • !
    Single MX host, no backup
    MX · Only one MX record found. For better email reliability, consider adding at least one backup MX server.
    #12
  • !
    1 void lookup
    SPF · 1 include/redirect target does not exist or has no records (limit is 2). This usually is a stale include; remove it.
    #26
  • !
    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 zlto.nl ›