lexsoft.de

Checked 21 October 2026, 23:11 UTC · via 8.8.8.8
!Passed with warnings
22 passed 1 warning 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

info

edns9.ultradns.biz, wkdis2.wkdis.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
edns9.ultradns.biz, wkdis2.wkdis.de
NS in the zone
edns9.ultradns.biz, wkdis2.wkdis.de
NameserverAddressesNetwork (AS)Glue
edns9.ultradns.biz204.74.67.9 2610:a1:1015::209AS12008 VERCARA - Vercara, LLC, US AS12008 VERCARA - Vercara, LLC, US-
wkdis2.wkdis.de212.75.39.150AS12399 SCAN-PLUS-AS - q.beyond AG, DE212.75.39.150

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: edns9.ultradns.biz, wkdis2.wkdis.de.
    #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 1 IPv6 /48.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS12008 (VERCARA - Vercara, LLC, US): 2 addresses; AS12399 (SCAN-PLUS-AS - q.beyond AG, DE): 1 address.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .biz, .de.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: wkdis2.wkdis.de.
    #13

Nameservers

info

3 of 3 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
edns9.ultradns.biz 204.74.67.9NOERROR, 3 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
edns9.ultradns.biz 2610:a1:1015::209NOERROR, 4 ms, authoritativenoyes / yesrefusedUltraDNS Nameserver
wkdis2.wkdis.de 212.75.39.150NOERROR, 8 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 3 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: edns9.ultradns.biz: "UltraDNS Nameserver".
    #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 2016122121 · primary wkdis2.wkdis.de

Found

Primary (MNAME)
wkdis2.wkdis.de
Contact (RNAME)
hostmaster.wkdis.de
Serial
2016122121
Refresh / retry
10000 s / 1800 s
Expire
604800 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
edns9.ultradns.biz (204.74.67.9)2016122121
edns9.ultradns.biz (2610:a1:1015::209)2016122121
wkdis2.wkdis.de (212.75.39.150)2016122121

Checks

  • ✓ Serial 2016122121 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 2h46m40s, retry 30m, expire 7d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver wkdis2.wkdis.de is one of the listed nameservers.
  • ✓ Contact hostmaster@wkdis.de #25
    The SOA RNAME hostmaster.wkdis.de means hostmaster@wkdis.de.
  • ✓ Date-based serial #26
    The serial 2016122121 follows the YYYYMMDDnn convention (2016-12-21).

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
204.74.67.9:53
TypeValueTTL
SOAwkdis2.wkdis.de. hostmaster.wkdis.de. 2016122121 10000 1800 604800 36003600
NSedns9.ultradns.biz.3600
NSwkdis2.wkdis.de.3600
A212.211.139.210900
MX10 wolterskluwer.mail.protection.outlook.com.3600
TXT"_psuawepipd74o5vabzr149wcjkmuaqg"3600
TXT"_q4shzje2x3b2h1k7dd70zk8gjo1tn4g"3600
TXT"v=spf1 include:spf.wolterskluwer.com ~all"3600
TXT"google-site-verification=nQNKAxYIMG7c4ef_NmfBwS_AaXre4RRfF0-MKi6XUFg"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 15m, MX 1h, NS 1h. The NS TTL at the parent is 1d and in the zone 1h; 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