imdb.de

Checked 21 October 2026, 22:52 UTC · via 8.8.8.8
!Passed with warnings
20 passed 4 warnings 0 failed 5 info

Registration

info

.de country-code

Found

TLD
.de (country-code)
ICANN policies apply
no

Checks

  • i
    .de is a country-code TLD (ccTLD)
    Country-code TLD: governed by its local registry under national policy, not by an ICANN contract. Registrar accreditation, dispute resolution and RDAP/WHOIS rules are set by the registry.
    #1
  • ✓ TLD delegated and signed #2
    .de is delegated in the root zone and DNSSEC-signed.
  • i
    Registration data not available
    No registration data via RDAP: the registry of .de offers no RDAP service. Many ccTLD registries don't offer RDAP; check the registry's WHOIS instead.
    #3

Delegation

warn

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

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS 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
NS in the zone
ns-1175.awsdns-18.org, ns-1926.awsdns-48.co.uk, ns-245.awsdns-30.com, ns-551.awsdns-04.net
NameserverAddressesNetwork (AS)Glue
ns-1175.awsdns-18.org (zone only)205.251.196.151 2600:9000:5304:9700::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-1926.awsdns-48.co.uk (zone only)205.251.199.134 2600:9000:5307:8600::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-245.awsdns-30.com (zone only)205.251.192.245 2600:9000:5300:f500::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-551.awsdns-04.net (zone only)205.251.194.39 2600:9000:5302:2700::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns1.amzndns.co.uk (parent only)156.154.67.10 2001:502:4612::10AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
ns1.amzndns.com (parent only)156.154.64.10 2001:502:f3ff::10AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
ns1.amzndns.net (parent only)156.154.65.10 2610:a1:1014::10AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
ns1.amzndns.org (parent only)156.154.66.10 2610:a1:1015::10AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
ns2.amzndns.co.uk (parent only)204.74.120.1 2610:a1:32d1::53AS399154 SECURITYSERVICES - Vercara, LLC, US AS399154 SECURITYSERVICES - Vercara, LLC, US-
ns2.amzndns.com (parent only)156.154.68.10 2610:a1:1016::10AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
ns2.amzndns.net (parent only)156.154.69.10 2610:a1:1017::10AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
ns2.amzndns.org (parent only)156.154.150.1 2610:a1:31d1::53AS399153 SECURITYSERVICES - Vercara, LLC, US AS399155 SECURITYSERVICES - Vercara, LLC, US-

Checks

  • ✓ 8 nameservers #6
    Delegated to 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.
  • !
    NS sets differ
    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-1175.awsdns-18.org, ns-1926.awsdns-48.co.uk, ns-245.awsdns-30.com, ns-551.awsdns-04.net. ns-1175.awsdns-18.org, ns-1926.awsdns-48.co.uk, ns-245.awsdns-30.com, ns-551.awsdns-04.net, 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-1175.awsdns-18.org ns-1926.awsdns-48.co.uk ns-245.awsdns-30.com ns-551.awsdns-04.net.
    #7
  • ✓ No glue needed #8
    All nameservers are outside the zone, so no glue records are needed.
  • ✓ All names resolve #9
    Every nameserver name has an address and is not an alias.
  • ✓ Nameservers in different networks #10
    The nameservers are spread over 12 IPv4 /24s and 12 IPv6 /48s.
  • ✓ 5 autonomous systems #11
    The nameservers are spread over: AS12008 (VERCARA - Vercara, LLC, US): 12 addresses; AS16509 (AMAZON-02 - Amazon.com, Inc., US): 8 addresses; AS399153 (SECURITYSERVICES - Vercara, LLC, US): 1 address; AS399154 (SECURITYSERVICES - Vercara, LLC, US): 2 addresses; AS399155 (SECURITYSERVICES - Vercara, LLC, US): 1 address.
  • ✓ Nameserver names under 4 TLDs #12
    Nameserver names use the TLDs .com, .net, .org, .uk.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

24 of 24 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns-1175.awsdns-18.org 205.251.196.151NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-1175.awsdns-18.org 2600:9000:5304:9700::1NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns-1926.awsdns-48.co.uk 205.251.199.134NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-1926.awsdns-48.co.uk 2600:9000:5307:8600::1NOERROR, 12 ms, authoritativenoyes / yesrefused-
ns-245.awsdns-30.com 205.251.192.245NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-245.awsdns-30.com 2600:9000:5300:f500::1NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns-551.awsdns-04.net 205.251.194.39NOERROR, 6 ms, authoritativenoyes / yesrefused-
ns-551.awsdns-04.net 2600:9000:5302:2700::1NOERROR, 7 ms, authoritativenoyes / yesrefused-
ns1.amzndns.co.uk 156.154.67.10NOERROR, 26 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns1.amzndns.co.uk 2001:502:4612::10NOERROR, 28 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns1.amzndns.com 156.154.64.10NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns1.amzndns.com 2001:502:f3ff::10NOERROR, 27 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns1.amzndns.net 156.154.65.10NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns1.amzndns.net 2610:a1:1014::10NOERROR, 6 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns1.amzndns.org 156.154.66.10NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns1.amzndns.org 2610:a1:1015::10NOERROR, 5 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns2.amzndns.co.uk 204.74.120.1NOERROR, 15 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns2.amzndns.co.uk 2610:a1:32d1::53NOERROR, 16 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns2.amzndns.com 156.154.68.10NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns2.amzndns.com 2610:a1:1016::10NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns2.amzndns.net 156.154.69.10NOERROR, 13 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns2.amzndns.net 2610:a1:1017::10NOERROR, 14 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns2.amzndns.org 156.154.150.1NOERROR, 20 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
ns2.amzndns.org 2610:a1:31d1::53NOERROR, 23 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver

Checks

  • ✓ All respond #14
    All 24 nameserver addresses answered.
  • ✓ All authoritative #15
    Every responding nameserver answers authoritatively for the zone.
  • ✓ No recursion #16
    The nameservers do not answer recursive queries for other domains.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: ns1.amzndns.co.uk: "UltraDNS Nameserver"; ns1.amzndns.com: "UltraDNS Nameserver"; ns1.amzndns.net: "UltraDNS Nameserver"; ns1.amzndns.org: "UltraDNS Nameserver"; ns2.amzndns.co.uk: "UltraDNS Nameserver"; ns2.amzndns.com: "UltraDNS Nameserver"; ns2.amzndns.net: "UltraDNS Nameserver"; ns2.amzndns.org: "UltraDNS Nameserver".
    #17
  • ✓ Zone transfers refused #18
    No nameserver allows a zone transfer to the public.
  • ✓ TCP supported #19
    All nameservers answer over TCP.
  • ✓ EDNS supported #20
    All nameservers support EDNS(0).
  • ✓ Public addresses #21
    All nameserver addresses are publicly routable.

SOA

warn

serial 101 · primary dns-external-route53.us-east-1.amazonaws.com

Found

Primary (MNAME)
dns-external-route53.us-east-1.amazonaws.com
Contact (RNAME)
root.amazon.com
Serial
101
Refresh / retry
3600 s / 900 s
Expire
604800 s
Negative TTL
60 s

Serial per nameserver

NameserverSerial
ns-1175.awsdns-18.org (205.251.196.151)101
ns-1175.awsdns-18.org (2600:9000:5304:9700::1)101
ns-1926.awsdns-48.co.uk (205.251.199.134)101
ns-1926.awsdns-48.co.uk (2600:9000:5307:8600::1)101
ns-245.awsdns-30.com (205.251.192.245)101
ns-245.awsdns-30.com (2600:9000:5300:f500::1)101
ns-551.awsdns-04.net (205.251.194.39)101
ns-551.awsdns-04.net (2600:9000:5302:2700::1)101
ns1.amzndns.co.uk (156.154.67.10)200909234
ns1.amzndns.co.uk (2001:502:4612::10)200909234
ns1.amzndns.com (156.154.64.10)200909234
ns1.amzndns.com (2001:502:f3ff::10)200909234
ns1.amzndns.net (156.154.65.10)200909234
ns1.amzndns.net (2610:a1:1014::10)200909234
ns1.amzndns.org (156.154.66.10)200909234
ns1.amzndns.org (2610:a1:1015::10)200909234
ns2.amzndns.co.uk (204.74.120.1)200909234
ns2.amzndns.co.uk (2610:a1:32d1::53)200909234
ns2.amzndns.com (156.154.68.10)200909234
ns2.amzndns.com (2610:a1:1016::10)200909234
ns2.amzndns.net (156.154.69.10)200909234
ns2.amzndns.net (2610:a1:1017::10)200909234
ns2.amzndns.org (156.154.150.1)200909234
ns2.amzndns.org (2610:a1:31d1::53)200909234

Checks

  • !
    Serials differ
    The nameservers serve different versions of the zone: 101 on ns-1175.awsdns-18.org (205.251.196.151), ns-1175.awsdns-18.org (2600:9000:5304:9700::1), ns-1926.awsdns-48.co.uk (205.251.199.134), ns-1926.awsdns-48.co.uk (2600:9000:5307:8600::1), ns-245.awsdns-30.com (205.251.192.245), ns-245.awsdns-30.com (2600:9000:5300:f500::1), ns-551.awsdns-04.net (205.251.194.39), ns-551.awsdns-04.net (2600:9000:5302:2700::1); 200909234 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
    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
  • i
    Hidden master (not resolvable)
    The primary nameserver dns-external-route53.us-east-1.amazonaws.com is not listed as a nameserver and does not resolve publicly: a hidden master, or a placeholder name. Some tools (e.g. dynamic updates) use MNAME to find the primary.
    #24
  • ✓ Contact root@amazon.com #25
    The SOA RNAME root.amazon.com means root@amazon.com.
  • ✓ Counter serial #26
    The serial 101 is a plain counter.

DNSSEC

warn

Not signed

Found

Validated by resolver
no

Checks

  • !
    Not signed
    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

Records

info

8 records at the apex

Found

Read from
205.251.196.151:53
TypeValueTTL
SOAdns-external-route53.us-east-1.amazonaws.com. root.amazon.com. 101 3600 900 604800 6060
NSns-1175.awsdns-18.org.300
NSns-1926.awsdns-48.co.uk.300
NSns-245.awsdns-30.com.300
NSns-551.awsdns-04.net.300
A3.33.131.74900
A15.197.139.26900
TXT"v=spf1 -all"900

Checks

  • ✓ TTLs within range #32
    TTLs: A 15m, NS 5m. The NS TTL at the parent is 1d and in the zone 5m; resolvers may use either.
  • ✓ No CNAME at the apex #33
    The zone apex has no CNAME record.
  • ✓ No wildcard #34
    Names that don't exist return NXDOMAIN.
  • i
    No CAA records
    Without CAA records any certificate authority may issue certificates for this domain. A CAA record limits issuance to the CAs you use.
    #35