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eco.de

Checked 2026-10-21 22:18 UTC · first added 2026-10-21

✗Problems found Score 81 of 100

Domain & DNS

fail

23 passed 2 warn 1 failed

Areas

iRegistration !Delegation ✗Nameservers iSOA !DNSSEC 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: dns02.cix.de (78.47.156.210): dial tcp 78.47.156.210:53: connect: connection refused; dns02.cix.de (2a01:4f8:c0:2762::3): dial tcp [2a01:4f8:c0:2762::3]:53: connect: connection refused.

#19
!

Glue differs from the zone

Delegation · The addresses at the parent (glue) differ from the addresses in the zone: dns01.cix.de (glue 46.31.121.131, zone 46.31.121.131, 2a02:c50:6209:702::3); dns02.cix.de (glue 78.47.156.210, zone 78.47.156.210, 2a01:4f8:c0:2762::3). Update the glue at your registrar.

#8
!

NSEC3 with extra iterations or salt

DNSSEC · NSEC3 uses 10 iterations 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

✗

Full report

Domain & DNS report for eco.de ›

Mail

warn

29 passed 1 warn 0 failed

Areas

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

Problems

!

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 eco.de ›