cosmosdirekt.de

Checked 21 October 2026, 22:11 UTC · via 8.8.8.8
!Passed with warnings
21 passed 3 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.teresto.net, ns2.teresto.net, ns3.teresto.net, pns.am-gruppe.de, pns2.am-gruppe.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns1.teresto.net, ns2.teresto.net, ns3.teresto.net, pns.am-gruppe.de, pns2.am-gruppe.de
NS in the zone
ns1.teresto.net, ns2.teresto.net, ns3.teresto.net, ns4.teresto.net, pns.am-gruppe.de, pns2.am-gruppe.de
NameserverAddressesNetwork (AS)Glue
ns1.teresto.net212.88.128.10 2a02:5a0:1fff:ffff::10AS9063 SAARGATE-AS - VSE NET GmbH, DE AS9063 SAARGATE-AS - VSE NET GmbH, DE-
ns2.teresto.net217.31.66.232 2a02:3a8:100::100AS15965 AS15965 - CEGECOM S.A., LU AS15965 AS15965 - CEGECOM S.A., LU-
ns3.teresto.net217.31.71.30 2a02:3a8:200::200AS15965 AS15965 - CEGECOM S.A., LU AS15965 AS15965 - CEGECOM S.A., LU-
ns4.teresto.net (zone only)212.88.128.70AS9063 SAARGATE-AS - VSE NET GmbH, DE-
pns.am-gruppe.de171.24.254.9AS34457 AMB-Generali - Generali Deutschland AG, DE171.24.254.9
pns2.am-gruppe.de171.24.254.79AS34457 AMB-Generali - Generali Deutschland AG, DE171.24.254.79

Checks

  • ✓ 5 nameservers #6
    Delegated to ns1.teresto.net, ns2.teresto.net, ns3.teresto.net, pns.am-gruppe.de, pns2.am-gruppe.de.
  • !
    NS sets differ
    The nameservers at the parent and in the zone should be the same. Only in the zone: ns4.teresto.net. ns1.teresto.net, ns2.teresto.net, ns3.teresto.net, ns4.teresto.net, pns.am-gruppe.de, pns2.am-gruppe.de report NS ns1.teresto.net ns2.teresto.net ns3.teresto.net ns4.teresto.net pns.am-gruppe.de pns2.am-gruppe.de.
    #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 4 IPv4 /24s and 3 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS15965 (AS15965 - CEGECOM S.A., LU): 4 addresses; AS34457 (AMB-Generali - Generali Deutschland AG, DE): 2 addresses; AS9063 (SAARGATE-AS - VSE NET GmbH, DE): 3 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns4.teresto.net, pns.am-gruppe.de, pns2.am-gruppe.de.
    #13

Nameservers

info

9 of 9 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.teresto.net 212.88.128.10NOERROR, 8 ms, authoritativenoyes / yesrefusednot-supported
ns1.teresto.net 2a02:5a0:1fff:ffff::10NOERROR, 8 ms, authoritativenoyes / yesrefusednot-supported
ns2.teresto.net 217.31.66.232NOERROR, 11 ms, authoritativenoyes / yesrefusednot-supported
ns2.teresto.net 2a02:3a8:100::100NOERROR, 14 ms, authoritativenoyes / yesrefusednot-supported
ns3.teresto.net 217.31.71.30NOERROR, 10 ms, authoritativenoyes / yesrefusednot-supported
ns3.teresto.net 2a02:3a8:200::200NOERROR, 14 ms, authoritativenoyes / yesrefusednot-supported
ns4.teresto.net 212.88.128.70NOERROR, 7 ms, authoritativenoyes / yesrefusednot-supported
pns.am-gruppe.de 171.24.254.9NOERROR, 13 ms, authoritativenoyes / yesrefused-
pns2.am-gruppe.de 171.24.254.79NOERROR, 13 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 9 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.teresto.net: "not-supported"; ns2.teresto.net: "not-supported"; ns3.teresto.net: "not-supported"; ns4.teresto.net: "not-supported".
    #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 2019111631 · primary pns.am-gruppe.de

Found

Primary (MNAME)
pns.am-gruppe.de
Contact (RNAME)
dnsadmin.generali-gruppe.de
Serial
2019111631
Refresh / retry
21600 s / 3600 s
Expire
604800 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns1.teresto.net (212.88.128.10)2019111631
ns1.teresto.net (2a02:5a0:1fff:ffff::10)2019111631
ns2.teresto.net (217.31.66.232)2019111631
ns2.teresto.net (2a02:3a8:100::100)2019111631
ns3.teresto.net (217.31.71.30)2019111631
ns3.teresto.net (2a02:3a8:200::200)2019111631
ns4.teresto.net (212.88.128.70)2019111631
pns.am-gruppe.de (171.24.254.9)2019111631
pns2.am-gruppe.de (171.24.254.79)2019111631

Checks

  • ✓ Serial 2019111631 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 6h, retry 1h, expire 7d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver pns.am-gruppe.de is one of the listed nameservers.
  • ✓ Contact dnsadmin@generali-gruppe.de #25
    The SOA RNAME dnsadmin.generali-gruppe.de means dnsadmin@generali-gruppe.de.
  • ✓ Date-based serial #26
    The serial 2019111631 follows the YYYYMMDDnn convention (2019-11-16).

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

warn

24 records at the apex

Found

Read from
212.88.128.10:53
TypeValueTTL
SOApns.am-gruppe.de. dnsadmin.generali-gruppe.de. 2019111631 21600 3600 604800 86400300
NSns3.teresto.net.300
NSns1.teresto.net.300
NSns4.teresto.net.300
NSns2.teresto.net.300
NSpns2.am-gruppe.de.300
NSpns.am-gruppe.de.300
A45.223.167.17120
A45.223.179.17120
MX4 generali-com.mail.protection.outlook.com.300
MX100 generali-com.mail.protection.outlook.com.300
TXT"Jyqx5uhI9GDiZ2CE1XnYF+5cZ16p1x+h8uspPFwfUw0="300
TXT"aR7MnfRNBdLtYSTCteFqEz+LOGii62SpTI8XQrUwIdFKVpm9WVdUAb3oK/XIk2tsjhRIzwGaOhHbjTuAetFYtQ=="300
TXT"cisco-ci-domain-verification=ac863ffad97b201e54bbcd87738dad4e57cf61fa8b36398f45d9d30ed78cd7f"300
TXT"v=spf1 ip4:195.140.184.0/22 ip4:91.192.40.0/22 include:spf.protection.outlook.com include:spf-gosp.generali.de include:_spf.general.transactional-mail-a.com include:_spf.retarus.com -all"300
TXT"google-site-verification=yOe6Yrl2HTOEzb2UvroCJy4co8RVYYhzHM9ycx6Tr6w"300
TXT"PoO/URsmmv59O8B8B6s/or7P6oCxWbrz5JvYI9UhsY8="300
TXT"MS=ms77921522"300
TXT"MS=ms35417053"300
TXT"Y0LVVKyBmIqM/6crPc9A5BK6dI5hgatAPNGxoUmvqMY="300
TXT"google-site-verification=CwTyURd97FzprxrXfok7MseLyN7Bn6XyjT67qWHUXlw"300
TXT"facebook-domain-verification=rzel3db6u552v7vf37k5c1je4xrbor"300
TXT"google-site-verification=2IQPGCXY22SiyPd2Jkz7aloxRx-BVH4llPdljlqdHe0"300
TXT"0idfEEToBctx/bvZmzM0G4IStWUWf2VbpOz0lnygUaQOz6IJdPmH76NmdKYQIKY9gv4S0p6BH78N0JSc+DscYw=="300

Checks

  • !
    Very low TTLs
    These records have a TTL below 5m, causing extra queries and slower lookups: A (2m). Low TTLs are useful just before a planned change. The NS TTL at the parent is 1d and in the zone 5m; resolvers may use either.
    #32
  • ✓ 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