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chello.nl

Checked 2026-10-21 21:00 UTC · first added 2026-10-21
!Check could not complete

Domain & DNS

error

27 passed 1 warn 0 failed 1 errors

lookups failed for rdap; results are incomplete

Areas

iRegistration iDelegation iNameservers !SOA iDNSSEC ✓Records

Problems

  • !
    Unusual SOA timers
    SOA · refresh 10m is outside 20m–1d; retry 30m should be shorter than refresh 10m. Current values: refresh 10m, retry 30m, expire 7d, negative TTL 10m.
    #23

Recent checks

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Mail

warn

27 passed 3 warn 0 failed

Areas

✓SPF ✓DMARC !DKIM ✓DNSSEC !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: mxin5.ziggo.nl, mxin10.ziggo.nl
    #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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