kreis-unna.de

Checked 21 October 2026, 23:10 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

dns.kreis-unna.host, ns1.kreis-unna.de, ns2.kreis-unna.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
dns.kreis-unna.host, ns1.kreis-unna.de, ns2.kreis-unna.de
NS in the zone
dns.kreis-unna.host, ns1.kreis-unna.de, ns2.kreis-unna.de
NameserverAddressesNetwork (AS)Glue
dns.kreis-unna.host94.130.107.236 2a01:4f8:c2c:1c6b::1AS24940 HETZNER-AS - Hetzner Online GmbH, DE AS24940 HETZNER-AS - Hetzner Online GmbH, DE-
ns1.kreis-unna.de88.208.191.130AS12355 HAMCOM-DE - HeLi NET Telekommunikation GmbH & Co., DE88.208.191.130
ns2.kreis-unna.de87.130.7.190AS3320 DTAG - Deutsche Telekom AG, DE87.130.7.190

Checks

  • ✓ 3 nameservers #6
    Delegated to dns.kreis-unna.host, ns1.kreis-unna.de, ns2.kreis-unna.de.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • ✓ Glue present and correct #8
    Glue is published for the nameservers inside the zone: ns1.kreis-unna.de, ns2.kreis-unna.de.
  • ✓ 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 1 IPv6 /48.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS12355 (HAMCOM-DE - HeLi NET Telekommunikation GmbH & Co., DE): 1 address; AS24940 (HETZNER-AS - Hetzner Online GmbH, DE): 2 addresses; AS3320 (DTAG - Deutsche Telekom AG, DE): 1 address.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .host.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns1.kreis-unna.de, ns2.kreis-unna.de.
    #13

Nameservers

info

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
dns.kreis-unna.host 94.130.107.236NOERROR, 7 ms, authoritativenoyes / yesrefusedDNS
dns.kreis-unna.host 2a01:4f8:c2c:1c6b::1NOERROR, 6 ms, authoritativenoyes / yesrefusedDNS
ns1.kreis-unna.de 88.208.191.130NOERROR, 14 ms, authoritativenoyes / yesrefused-
ns2.kreis-unna.de 87.130.7.190NOERROR, 10 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 4 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: dns.kreis-unna.host: "DNS".
    #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

warn

serial 2026102004 · primary ns1.kreis-unna.de

Found

Primary (MNAME)
ns1.kreis-unna.de
Contact (RNAME)
netzwerktechnik.kreis-unna.de
Serial
2026102004
Refresh / retry
300 s / 300 s
Expire
259200 s
Negative TTL
300 s

Serial per nameserver

NameserverSerial
dns.kreis-unna.host (94.130.107.236)2026102004
dns.kreis-unna.host (2a01:4f8:c2c:1c6b::1)2026102004
ns1.kreis-unna.de (88.208.191.130)2026102004
ns2.kreis-unna.de (87.130.7.190)2026102004

Checks

  • ✓ Serial 2026102004 everywhere #22
    All nameservers serve the same version of the zone.
  • !
    Unusual SOA timers
    refresh 5m is outside 20m–1d; retry 5m should be shorter than refresh 5m; expire 3d is shorter than 7d; secondaries stop answering too soon when the primary is down. Current values: refresh 5m, retry 5m, expire 3d, negative TTL 5m.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.kreis-unna.de is one of the listed nameservers.
  • ✓ Contact netzwerktechnik@kreis-unna.de #25
    The SOA RNAME netzwerktechnik.kreis-unna.de means netzwerktechnik@kreis-unna.de.
  • ✓ Date-based serial #26
    The serial 2026102004 follows the YYYYMMDDnn convention (2026-10-20).

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

12 records at the apex

Found

Read from
94.130.107.236:53
TypeValueTTL
SOAns1.kreis-unna.de. netzwerktechnik.kreis-unna.de. 2026102004 300 300 259200 300300
NSns1.kreis-unna.de.300
NSdns.kreis-unna.host.300
NSns2.kreis-unna.de.300
A212.37.49.42300
A87.130.7.133300
MX10 mail.kreis-unna.de.300
TXT"apple-domain-verification=1QlB9z86f8SCreYh"300
TXT"v=spf1 ip4:88.208.191.130 ip4:88.208.191.131 -all"300
CAA0 issue "letsencrypt.org"300
CAA0 iodef "mailto:netzwerktechnik@kreis-unna.de"300
CAA0 issue "www.digicert.com"300

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, MX 5m, NS 5m. The NS TTL at the parent is 1d and in the zone 5m; 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: letsencrypt.org, www.digicert.com.