tippscout.de

Checked 22 October 2026, 00:40 UTC · via 8.8.8.8
!Passed with warnings
23 passed 2 warnings 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

info

b.ns14.net, ns.checon.net, ns.ipn.de, ns6.checon.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
b.ns14.net, ns.checon.net, ns.ipn.de, ns6.checon.de
NS in the zone
b.ns14.net, ns.checon.net, ns.ipn.de, ns6.checon.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-
ns.checon.net194.97.156.2AS5539 SPACENET - SpaceNet AG, DE-
ns.ipn.de193.96.188.100AS3257 GTT-BACKBONE - GTT Communications Inc., US-
ns6.checon.de185.132.35.161 2607:f1c0:fe:53:185:132:35:161AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB185.132.35.161 2607:f1c0:fe:53:185:132:35:161

Checks

  • ✓ 4 nameservers #6
    Delegated to b.ns14.net, ns.checon.net, ns.ipn.de, ns6.checon.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 2 IPv6 /48s.
  • ✓ 4 autonomous systems #11
    The nameservers are spread over: AS15418 (IONOS-ANYCAST - Fasthosts Internet Limited, GB): 2 addresses; AS3257 (GTT-BACKBONE - GTT Communications Inc., US): 1 address; AS5539 (SPACENET - SpaceNet AG, DE): 1 address; AS8560 (IONOS-AS - IONOS SE, DE): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns.checon.net, ns.ipn.de.
    #13

Nameservers

warn

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
b.ns14.net 217.160.81.160NOERROR, 9 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/
ns.checon.net 194.97.156.2NOERROR, 10 ms, authoritativenoyes / yesrefused9
ns.ipn.de 193.96.188.100NOERROR, 11 ms, authoritativenoyes / yesrefused9.9.5-9+deb8u19-Debian
ns6.checon.de 185.132.35.161NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns6.checon.de 2607:f1c0:fe:53:185:132:35:161NOERROR, 5 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/

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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: ns.ipn.de: "9.9.5-9+deb8u19-Debian". 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 2021041602 · primary ns.checon.net

Found

Primary (MNAME)
ns.checon.net
Contact (RNAME)
hostmaster.checon.de
Serial
2021041602
Refresh / retry
28800 s / 3600 s
Expire
864000 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
b.ns14.net (217.160.81.160)2021041602
b.ns14.net (2001:8d8:fe:53:217:160:81:160)2021041602
ns.checon.net (194.97.156.2)2021041602
ns.ipn.de (193.96.188.100)2021041602
ns6.checon.de (185.132.35.161)2021041602
ns6.checon.de (2607:f1c0:fe:53:185:132:35:161)2021041602

Checks

  • ✓ Serial 2021041602 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 1h, expire 10d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns.checon.net is one of the listed nameservers.
  • ✓ Contact hostmaster@checon.de #25
    The SOA RNAME hostmaster.checon.de means hostmaster@checon.de.
  • ✓ Date-based serial #26
    The serial 2021041602 follows the YYYYMMDDnn convention (2021-04-16).

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

info

9 records at the apex

Found

Read from
217.160.81.160:53
TypeValueTTL
SOAns.checon.net. hostmaster.checon.de. 2021041602 28800 3600 864000 8640043200
NSb.ns14.net.43200
NSns.ipn.de.43200
NSns.checon.net.43200
NSns6.checon.de.43200
A194.97.156.10143200
MX50 mail.checon.net.43200
TXT"v=spf1 include:_spf.checon.net -all"43200
TXT"google-site-verification=fk_VHYq0eIQM_t8gC0Qlq3sjHWXjVSJi8Pc3wOOckws"43200

Checks

  • ✓ TTLs within range #32
    TTLs: A 12h, MX 12h, NS 12h. The NS TTL at the parent is 1d and in the zone 12h; 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