ib-sh.de

Checked 21 October 2026, 22:51 UTC · via 8.8.8.8
!Passed with warnings
20 passed 3 warnings 0 failed 6 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.ennit.net, ns2.ennit.net

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns1.ennit.net, ns2.ennit.net
NS in the zone
ns1.ennit.net, ns2.ennit.net
NameserverAddressesNetwork (AS)Glue
ns1.ennit.net213.178.66.161AS13101 TNG-AS - TNG Stadtnetz GmbH, DE-
ns2.ennit.net82.97.146.5AS13101 TNG-AS - TNG Stadtnetz GmbH, DE-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns1.ennit.net, ns2.ennit.net.
    #6
  • ✓ 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 2 IPv4 /24s and 0 IPv6 /48s.
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS13101 (TNG-AS - TNG Stadtnetz GmbH, DE): 2 addresses). An outage or attack on that network affects all nameservers; large anycast providers mitigate this, but a secondary DNS provider adds independence.
    #11
  • i
    All nameserver names under .net
    All nameserver names are under one TLD, so a problem with that TLD also makes the nameservers unreachable. Some operators use names under two TLDs for extra resilience.
    #12
  • !
    No IPv6
    None of the nameservers has an IPv6 address, so IPv6-only resolvers can't reach them.
    #13

Nameservers

warn

2 of 2 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.ennit.net 213.178.66.161NOERROR, 12 ms, authoritativenoyes / yesrefused9.7.0-P1
ns2.ennit.net 82.97.146.5NOERROR, 11 ms, authoritativenoyes / yesrefused9.10.3-P4-Ubuntu

Checks

  • ✓ All respond #14
    All 2 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: ns1.ennit.net: "9.7.0-P1"; ns2.ennit.net: "9.10.3-P4-Ubuntu". 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 2026100101 · primary ns1.ennit.net

Found

Primary (MNAME)
ns1.ennit.net
Contact (RNAME)
hostmaster.support.ennit.de
Serial
2026100101
Refresh / retry
14400 s / 7200 s
Expire
3600000 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns1.ennit.net (213.178.66.161)2026100101
ns2.ennit.net (82.97.146.5)2026100101

Checks

  • ✓ Serial 2026100101 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 4h, retry 2h, expire 1000h, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.ennit.net is one of the listed nameservers.
  • ✓ Contact hostmaster@support.ennit.de #25
    The SOA RNAME hostmaster.support.ennit.de means hostmaster@support.ennit.de.
  • ✓ Date-based serial #26
    The serial 2026100101 follows the YYYYMMDDnn convention (2026-10-01).

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

11 records at the apex

Found

Read from
213.178.66.161:53
TypeValueTTL
SOAns1.ennit.net. hostmaster.support.ennit.de. 2026100101 14400 7200 3600000 864001800
NSns2.ennit.net.1800
NSns1.ennit.net.1800
A82.97.164.441800
MX100 mailin.ib-sh.de.1800
TXT"v=spf1 mx ip4:82.97.164.44 ip4:195.43.52.222 ip4:212.34.87.7 include:spf.init.de ~all"1800
TXT"OkSdj38naKqx+LDmHFNXFW0Q9gYaMxFOnT1wqpqhYhnv1MsZ0uVFA0di4sFlAp9WAfiI8BCLKBxLNfkWkYLxmg=="1800
TXT"_telesec-domain-validation=2023-09-26_Y05QUQ0qoG7pBPNbf579aYAgQCL031CMonXAQXAPGjJKekXxOi"1800
TXT"adobe-idp-site-verification=ca5aa776ca3d4c8a9f7c8048de7de8b2ca1dc7960582f3dff65819af70438f55"1800
TXT"_telesec-domain-validation=345130_2025-01-31_H2mcwENNvDIAEXzLM7wxOtBKbm8u9S2li7icTRA7m5uWswrEKC"1800
TXT"MS=5A15989849FEC7F2C9DDE2ED3822672A82AF2656"1800

Checks

  • ✓ TTLs within range #32
    TTLs: A 30m, MX 30m, NS 30m. The NS TTL at the parent is 1d and in the zone 30m; 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