juuuport.de

Checked 21 October 2026, 23:02 UTC · via 8.8.8.8
!Passed with warnings
24 passed 2 warnings 0 failed 3 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

b.ns14.net, c.ns14.net, d.ns14.net, dns1.vision-connect.de, dns2.vision-connect.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
b.ns14.net, c.ns14.net, d.ns14.net, dns1.vision-connect.de, dns2.vision-connect.de
NS in the zone
b.ns14.net, c.ns14.net, d.ns14.net, dns1.vision-connect.de, dns2.vision-connect.de
NameserverAddressesNetwork (AS)Glue
b.ns14.net217.160.81.160 2001:8d8:fe:53:217:160:81:160AS8560 IONOS-AS - IONOS SE, DE AS8560 IONOS-AS - IONOS SE, DE-
c.ns14.net185.132.35.160 2607:f1c0:fe:53:185:132:35:160AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB-
d.ns14.net185.132.34.160 2607:f1c0:fe:53:185:132:34:160AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB-
dns1.vision-connect.de83.246.45.83 2a02:790:5:1ff::3AS24679 SSERV-AS - kyberio GmbH, DE AS24679 SSERV-AS - kyberio GmbH, DE83.246.45.83 2a02:790:5:1ff::3
dns2.vision-connect.de83.246.45.84 2a02:790:5:1ff::4AS24679 SSERV-AS - kyberio GmbH, DE AS24679 SSERV-AS - kyberio GmbH, DE83.246.45.84 2a02:790:5:1ff::4

Checks

  • ✓ 5 nameservers #6
    Delegated to b.ns14.net, c.ns14.net, d.ns14.net, dns1.vision-connect.de, dns2.vision-connect.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 4 IPv4 /24s and 3 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS15418 (IONOS-ANYCAST - Fasthosts Internet Limited, GB): 4 addresses; AS24679 (SSERV-AS - kyberio GmbH, DE): 4 addresses; AS8560 (IONOS-AS - IONOS SE, DE): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .net.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

warn

10 of 10 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
b.ns14.net 217.160.81.160NOERROR, 10 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
b.ns14.net 2001:8d8:fe:53:217:160:81:160NOERROR, 10 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
c.ns14.net 185.132.35.160NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
c.ns14.net 2607:f1c0:fe:53:185:132:35:160NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
d.ns14.net 185.132.34.160NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
d.ns14.net 2607:f1c0:fe:53:185:132:34:160NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
dns1.vision-connect.de 83.246.45.83NOERROR, 10 ms, authoritativenoyes / yesrefused9.18.33
dns1.vision-connect.de 2a02:790:5:1ff::3NOERROR, 11 ms, authoritativenoyes / yesrefused9.18.33
dns2.vision-connect.de 83.246.45.84NOERROR, 10 ms, authoritativenoyes / yesrefused9.18.33
dns2.vision-connect.de 2a02:790:5:1ff::4NOERROR, 11 ms, authoritativenoyes / yesrefused9.18.33

Checks

  • ✓ All respond #14
    All 10 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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: dns1.vision-connect.de: "9.18.33"; dns2.vision-connect.de: "9.18.33". Hide or replace the version string.
    #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 2026060900 · primary dns1.vision-connect.de

Found

Primary (MNAME)
dns1.vision-connect.de
Contact (RNAME)
dnsmaster.visionconnect.de
Serial
2026060900
Refresh / retry
43200 s / 3600 s
Expire
604800 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
b.ns14.net (217.160.81.160)2026060900
b.ns14.net (2001:8d8:fe:53:217:160:81:160)2026060900
c.ns14.net (185.132.35.160)2026060900
c.ns14.net (2607:f1c0:fe:53:185:132:35:160)2026060900
d.ns14.net (185.132.34.160)2026060900
d.ns14.net (2607:f1c0:fe:53:185:132:34:160)2026060900
dns1.vision-connect.de (83.246.45.83)2026060900
dns1.vision-connect.de (2a02:790:5:1ff::3)2026060900
dns2.vision-connect.de (83.246.45.84)2026060900
dns2.vision-connect.de (2a02:790:5:1ff::4)2026060900

Checks

  • ✓ Serial 2026060900 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 12h, retry 1h, expire 7d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver dns1.vision-connect.de is one of the listed nameservers.
  • ✓ Contact dnsmaster@visionconnect.de #25
    The SOA RNAME dnsmaster.visionconnect.de means dnsmaster@visionconnect.de.
  • ✓ Date-based serial #26
    The serial 2026060900 follows the YYYYMMDDnn convention (2026-06-09).

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

10 records at the apex

Found

Read from
217.160.81.160:53
TypeValueTTL
SOAdns1.vision-connect.de. dnsmaster.visionconnect.de. 2026060900 43200 3600 604800 360010800
NSb.ns14.net.10800
NSc.ns14.net.10800
NSdns1.vision-connect.de.10800
NSd.ns14.net.10800
NSdns2.vision-connect.de.10800
A83.246.45.8010800
AAAA2a02:790:5:100::210800
MX10 mx.united-host.de.10800
TXT"v=spf1 include:_spf.vision-connect.de include:_spf.united-host.de ~all"10800

Checks

  • ✓ TTLs within range #32
    TTLs: A 3h, AAAA 3h, MX 3h, NS 3h. The NS TTL at the parent is 1d and in the zone 3h; 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