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fotokoch.de

Checked 2026-10-21 22:31 UTC · first added 2026-10-21
!Check could not complete

Domain & DNS

error

19 passed 0 warn 1 failed 2 errors

lookups failed for dnssec, records; results are incomplete

Areas

iRegistration iDelegation ✗Nameservers ✓SOA iDNSSEC iRecords

Problems

  • ✗
    No DNS over TCP
    Nameservers · DNS over TCP is required (RFC 7766); without it, large answers such as DNSSEC responses fail. Not answering over TCP: ns1.namemaster.de (81.209.154.158): dial tcp 81.209.154.158:53: i/o timeout; ns1.namemaster.de (2a05:8e40:5:3::9): dial tcp [2a05:8e40:5:3::9]:53: i/o timeout; ns2.namemaster.de (54.36.91.231): dial tcp 54.36.91.231:53: i/o timeout; ns2.namemaster.de (2001:41d0:403:1955::1): dial tcp [2001:41d0:403:1955::1]:53: i/o timeout; ns3.namemaster.de (80.239.218.75): dial tcp 80.239.218.75:53: i/o timeout; ns3.namemaster.de (2a05:8e40:5:3::10): dial tcp [2a05:8e40:5:3::10]:53: i/o timeout; ns4.namemaster.de (178.33.39.17): dial tcp 178.33.39.17:53: i/o timeout; ns4.namemaster.de (2001:41d0:403:1955::2): dial tcp [2001:41d0:403:1955::2]:53: i/o timeout; ns5.namemaster.de (81.209.155.2): dial tcp 81.209.155.2:53: i/o timeout; ns5.namemaster.de (2a05:8e40:5:3::11): dial tcp [2a05:8e40:5:3::11]:53: i/o timeout.
    #19

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Mail

error

23 passed 3 warn 0 failed 1 errors

lookups failed for dnssec; results are incomplete

Areas

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

Problems

  • !
    No key under common selectors
    DKIM · The _domainkey name exists but no DKIM key was found under the common selectors. Selectors are provider-specific; check yours with -selector.
    #7
  • !
    Hosts without IPv6
    MX · The following MX hosts could not be resolved to IPv6 addresses: mail.fotokoch.de, mail2.fotokoch.de
    #11
  • !
    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

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