SurfaceMap › s › saintluc.be

saintluc.be

Checked 2026-10-22 07:10 UTC · first added 2026-10-21
!Passed with warnings Score 70 of 100

Domain & DNS

warn

23 passed 5 warn 0 failed

Areas

iRegistration !Delegation iNameservers !SOA !DNSSEC iRecords

Problems

  • !
    NS sets differ
    Delegation · The nameservers at the parent and in the zone should be the same. Only in the zone: nsmaster.belnet.be. ns1.belnet.be, ns2.belnet.be, ns3.belnet.be, nsmaster.belnet.be report NS ns1.belnet.be ns2.belnet.be ns3.belnet.be nsmaster.belnet.be.
    #7
  • !
    Serials differ
    SOA · The nameservers serve different versions of the zone: 2026102102 on ns1.belnet.be (193.190.198.14), ns1.belnet.be (2001:6a8:3c80::14), nsmaster.belnet.be (193.190.198.14), nsmaster.belnet.be (2001:6a8:3c80::14); 2026102201 on ns2.belnet.be (193.190.182.40), ns2.belnet.be (2001:6a8:3c80:c000::40), ns3.belnet.be (194.58.196.32), ns3.belnet.be (2a01:3f1:832::53). This is normal for a few minutes after a change; if it lasts, zone transfers to the secondaries are failing.
    #22
  • !
    Unusual SOA timers
    SOA · retry 2h should be shorter than refresh 2h. Current values: refresh 2h, retry 2h, expire 7d, negative TTL 1h.
    #23
  • !
    Signatures expire soon
    DNSSEC · The earliest signature expires at 2026-10-29 00:00 UTC (in 161h0m0s). Check that automatic re-signing works.
    #30
  • !
    NSEC3 with extra iterations or salt
    DNSSEC · NSEC3 uses 1 iteration and a 4-byte salt. RFC 9276 recommends 0 iterations and no salt: extra iterations cost resolvers CPU and add no real protection, and some validators treat high counts as insecure.
    #31

Recent checks

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Full report

Domain & DNS report for saintluc.be ›

Mail

warn

25 passed 5 warn 0 failed

Areas

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

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 161h0m0s
    DNSSEC · DNSKEY signatures expire at 2026-10-29T00:00:00Z (in 161h0m0s). 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
  • !
    Report address not authorized
    DMARC · These report addresses are in another domain that has not agreed to receive your reports, so receivers will not send them: mailto:ciss+rua@saintluc.uclouvain.be (needs saintluc.be._report._dmarc.saintluc.uclouvain.be); mailto:ciss+ruf@saintluc.uclouvain.be (needs saintluc.be._report._dmarc.saintluc.uclouvain.be). Ask the report provider to publish the record, or check the address.
    #29
  • !
    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

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