allianz-fuer-cybersicherheit.de

Checked 21 October 2026, 21:28 UTC · via 8.8.8.8
!Passed with warnings
28 passed 1 warning 0 failed 4 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

pass

ns1-any.123ns.eu, ns3-any.123ns.eu, ns4-any.123ns.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns1-any.123ns.eu, ns3-any.123ns.eu, ns4-any.123ns.de
NS in the zone
ns1-any.123ns.eu, ns3-any.123ns.eu, ns4-any.123ns.de
NameserverAddressesNetwork (AS)Glue
ns1-any.123ns.eu195.253.64.5 2a01:5b0:4::5AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE AS8561 KNIPPWORLDWIDE - Knipp Medien und Kommunikation GmbH, DE-
ns3-any.123ns.eu192.174.68.116 2001:67c:1bc::116AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT-
ns4-any.123ns.de176.97.158.116 2001:67c:10b8::116AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns1-any.123ns.eu, ns3-any.123ns.eu, ns4-any.123ns.de.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • ✓ 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 3 IPv4 /24s and 3 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS1921 (RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT): 4 addresses; AS8391 (KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE): 1 address; AS8561 (KNIPPWORLDWIDE - Knipp Medien und Kommunikation GmbH, DE): 1 address.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .eu.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1-any.123ns.eu 195.253.64.5NOERROR, 19 ms, authoritativenoyes / yesrefused-
ns1-any.123ns.eu 2a01:5b0:4::5NOERROR, 20 ms, authoritativenoyes / yesrefused-
ns3-any.123ns.eu 192.174.68.116NOERROR, 3 ms, authoritativenoyes / yesrefusedRcodeZero DNS
ns3-any.123ns.eu 2001:67c:1bc::116NOERROR, 4 ms, authoritativenoyes / yesrefusedRcodeZero DNS
ns4-any.123ns.de 176.97.158.116NOERROR, 12 ms, authoritativenoyes / yesrefusedreg-wie1
ns4-any.123ns.de 2001:67c:10b8::116NOERROR, 12 ms, authoritativenoyes / yesrefusedreg-wie1

Checks

  • ✓ All respond #14
    All 6 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: ns3-any.123ns.eu: "RcodeZero DNS"; ns4-any.123ns.de: "reg-wie1".
    #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

pass

serial 2026102000 · primary ns1-any.123ns.eu

Found

Primary (MNAME)
ns1-any.123ns.eu
Contact (RNAME)
hostmaster.123ns.eu
Serial
2026102000
Refresh / retry
43200 s / 14400 s
Expire
3600000 s
Negative TTL
21400 s

Serial per nameserver

NameserverSerial
ns1-any.123ns.eu (195.253.64.5)2026102000
ns1-any.123ns.eu (2a01:5b0:4::5)2026102000
ns3-any.123ns.eu (192.174.68.116)2026102000
ns3-any.123ns.eu (2001:67c:1bc::116)2026102000
ns4-any.123ns.de (176.97.158.116)2026102000
ns4-any.123ns.de (2001:67c:10b8::116)2026102000

Checks

  • ✓ Serial 2026102000 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 12h, retry 4h, expire 1000h, negative TTL 5h56m40s.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1-any.123ns.eu is one of the listed nameservers.
  • ✓ Contact hostmaster@123ns.eu #25
    The SOA RNAME hostmaster.123ns.eu means hostmaster@123ns.eu.
  • ✓ Date-based serial #26
    The serial 2026102000 follows the YYYYMMDDnn convention (2026-10-20).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
0 iterations, 32-byte salt
Signatures valid until
19 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
53684RSASHA256 (8)SHA256 D6BB53283D044AE9…yes

DNSKEY in the zone

Key tagRoleAlgorithm
53684KSK (257)RSASHA256 (8)
37828ZSK (256)RSASHA256 (8)

Checks

  • ✓ Signed and validated #27
    The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
  • ✓ DS matches a key #28
    The DS record at the parent matches a key in the zone: key tag 53684 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: RSASHA256 (8).
  • ✓ Signatures valid until 2026-11-19 #30
    The earliest DNSKEY/SOA signature expires at 2026-11-19 09:38 UTC.
  • !
    NSEC3 with extra iterations or salt
    NSEC3 uses 0 iterations and a 32-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

Records

info

8 records at the apex

Found

Read from
195.253.64.5:53
TypeValueTTL
SOAns1-any.123ns.eu. hostmaster.123ns.eu. 2026102000 43200 14400 3600000 2140086400
NSns3-any.123ns.eu.86400
NSns4-any.123ns.de.86400
NSns1-any.123ns.eu.86400
A80.245.144.21986400
MX10 mail.allianz-fuer-cybersicherheit.de.86400
TXT"v=spf1 mx a:mail.123domain.eu a:smtp1.mail.123domain.eu a:smtp2.mail.123domain.eu -all"3600
TXT"google-site-verification=PVrJ3YeMFU-C9qEopBfZJrLgr3OQ2s2784ayr9ojFrk"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1d, MX 1d, NS 1d.
  • ✓ 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