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amazon.nl

Checked 2026-10-21 20:45 UTC · first added 2026-10-21
!Check could not complete

Domain & DNS

error

20 passed 4 warn 0 failed 1 errors

lookups failed for rdap; results are incomplete

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 at the parent: ns1.amzndns.co.uk, ns1.amzndns.com, ns1.amzndns.net, ns1.amzndns.org, ns2.amzndns.co.uk, ns2.amzndns.com, ns2.amzndns.net, ns2.amzndns.org; only in the zone: ns-1258.awsdns-29.org, ns-1871.awsdns-41.co.uk, ns-586.awsdns-09.net, ns-72.awsdns-09.com. ns-1258.awsdns-29.org, ns-1871.awsdns-41.co.uk, ns-586.awsdns-09.net, ns-72.awsdns-09.com, ns1.amzndns.co.uk, ns1.amzndns.com, ns1.amzndns.net, ns1.amzndns.org, ns2.amzndns.co.uk, ns2.amzndns.com, ns2.amzndns.net, ns2.amzndns.org report NS ns-1258.awsdns-29.org ns-1871.awsdns-41.co.uk ns-586.awsdns-09.net ns-72.awsdns-09.com.
    #7
  • !
    Serials differ
    SOA · The nameservers serve different versions of the zone: 101 on ns-1258.awsdns-29.org (205.251.196.234), ns-1258.awsdns-29.org (2600:9000:5304:ea00::1), ns-1871.awsdns-41.co.uk (205.251.199.79), ns-1871.awsdns-41.co.uk (2600:9000:5307:4f00::1), ns-586.awsdns-09.net (205.251.194.74), ns-586.awsdns-09.net (2600:9000:5302:4a00::1), ns-72.awsdns-09.com (205.251.192.72), ns-72.awsdns-09.com (2600:9000:5300:4800::1); 2012111408 on ns1.amzndns.co.uk (156.154.67.10), ns1.amzndns.co.uk (2001:502:4612::10), ns1.amzndns.com (156.154.64.10), ns1.amzndns.com (2001:502:f3ff::10), ns1.amzndns.net (156.154.65.10), ns1.amzndns.net (2610:a1:1014::10), ns1.amzndns.org (156.154.66.10), ns1.amzndns.org (2610:a1:1015::10), ns2.amzndns.co.uk (204.74.120.1), ns2.amzndns.co.uk (2610:a1:32d1::53), ns2.amzndns.com (156.154.68.10), ns2.amzndns.com (2610:a1:1016::10), ns2.amzndns.net (156.154.69.10), ns2.amzndns.net (2610:a1:1017::10), ns2.amzndns.org (156.154.150.1), ns2.amzndns.org (2610:a1:31d1::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 · negative caching TTL (minimum) 1m is outside 5m–1d (RFC 2308 recommends 1–3 hours). Current values: refresh 1h, retry 15m, expire 7d, negative TTL 1m.
    #23
  • !
    Not signed
    DNSSEC · The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.
    #27

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Mail

warn

23 passed 6 warn 0 failed

Areas

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

Problems

  • !
    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
  • !
    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
  • !
    Not enabled
    DNSSEC · DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.
    #8
  • !
    Hosts without IPv6
    MX · The following MX hosts could not be resolved to IPv6 addresses: amazon-smtp.amazon.com
    #11
  • !
    Single MX host, no backup
    MX · Only one MX record found. For better email reliability, consider adding at least one backup MX server.
    #12
  • !
    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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