igbce.de

Checked 21 October 2026, 22:51 UTC · via 8.8.8.8
!Passed with warnings
25 passed 1 warning 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

info

ns.tik.info, ns17.knipp.net, ns3.knipp.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns.tik.info, ns17.knipp.net, ns3.knipp.de
NS in the zone
ns.tik.info, ns17.knipp.net, ns3.knipp.de
NameserverAddressesNetwork (AS)Glue
ns.tik.info217.110.86.125AS8220 COLT - COLT Technology Services Group Limited, GB-
ns17.knipp.net195.253.51.61 2a01:5b0:2:56::3dAS48519 KNIPP-AMS-AS - Knipp Medien und Kommunikation GmbH, DE AS48519 KNIPP-AMS-AS - Knipp Medien und Kommunikation GmbH, DE-
ns3.knipp.de195.253.113.3 2a01:5b0:31::3AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE AS8391 KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns.tik.info, ns17.knipp.net, ns3.knipp.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 2 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS48519 (KNIPP-AMS-AS - Knipp Medien und Kommunikation GmbH, DE): 2 addresses; AS8220 (COLT - COLT Technology Services Group Limited, GB): 1 address; AS8391 (KNIPP-AS - Knipp Medien und Kommunikation GmbH, DE): 2 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .de, .info, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns.tik.info.
    #13

Nameservers

pass

5 of 5 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns.tik.info 217.110.86.125NOERROR, 14 ms, authoritativenoyes / yesrefused-
ns17.knipp.net 195.253.51.61NOERROR, 36 ms, authoritativenoyes / yesrefused-
ns17.knipp.net 2a01:5b0:2:56::3dNOERROR, 15 ms, authoritativenoyes / yesrefused-
ns3.knipp.de 195.253.113.3NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns3.knipp.de 2a01:5b0:31::3NOERROR, 13 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 5 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.
  • ✓ No version disclosed #17
    The nameservers don't reveal their software version.
  • ✓ 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 2025012812 · primary ns.tik.info

Found

Primary (MNAME)
ns.tik.info
Contact (RNAME)
hostmaster.tik.info
Serial
2025012812
Refresh / retry
7200 s / 600 s
Expire
1814400 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns.tik.info (217.110.86.125)2025012812
ns17.knipp.net (195.253.51.61)2025012812
ns17.knipp.net (2a01:5b0:2:56::3d)2025012812
ns3.knipp.de (195.253.113.3)2025012812
ns3.knipp.de (2a01:5b0:31::3)2025012812

Checks

  • ✓ Serial 2025012812 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 2h, retry 10m, expire 21d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns.tik.info is one of the listed nameservers.
  • ✓ Contact hostmaster@tik.info #25
    The SOA RNAME hostmaster.tik.info means hostmaster@tik.info.
  • ✓ Date-based serial #26
    The serial 2025012812 follows the YYYYMMDDnn convention (2025-01-28).

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

pass

20 records at the apex

Found

Read from
217.110.86.125:53
TypeValueTTL
SOAns.tik.info. hostmaster.tik.info. 2025012812 7200 600 1814400 36003600
NSns.tik.info.86400
NSns3.knipp.de.86400
NSns17.knipp.net.86400
A166.117.98.94300
A166.117.225.83300
MX20 tik-smtp-gw02.tik.info.86400
MX10 tik-smtp-gw01.tik.info.86400
TXT"v=spf1 ip4:217.110.86.29 ip4:217.110.86.30 ip4:217.110.86.19 ip4:217.110.86.132 include:spf.sosafe.de include:_spf.zimpel.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spfa.cpmails.com -all"3600
TXT"google-site-verification=2vCxB246PNr0q7skeLK1ArvYsqIxJectG8oCjlS-IXU"3600
TXT"swisssign-check=6Bec60GOAqI3RqyVGinlpkvxgLo"3600
TXT"_60uulbkg9efyngxzr3ecv0kdnaq8ppd"3600
CAA0 issuewild "rapidssl.com"3600
CAA0 issue "digicert.com"3600
CAA0 issue "geotrust.com"3600
CAA0 issue "awstrust.com"3600
CAA0 issue "rapidssl.com"3600
CAA0 issue "swisssign.com"3600
CAA0 issuewild "digicert.com"3600
CAA0 issuewild "geotrust.com"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: rapidssl.com, digicert.com, geotrust.com, awstrust.com, swisssign.com.