kadaster.nl

Checked 21 October 2026, 21:22 UTC · via 8.8.8.8
!Passed with warnings
26 passed 1 warning 0 failed 8 info

Registration

info

.nl country-code · Capgemini Nederland B.V.

Found

TLD
.nl (country-code)
ICANN policies apply
no
Registrar
Capgemini Nederland B.V.
Registered
11 September 1996
Last changed
4 November 2025
Status
active
Registry nameservers
ns0017.secondary.cloudflare.com, ns0175.secondary.cloudflare.com
RDAP server
https://rdap.sidn.nl/

Checks

  • i
    .nl 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
    .nl is delegated in the root zone and DNSSEC-signed.
  • i
    Expiry date not published
    The registry does not publish the expiry date in RDAP. Check it with your registrar.
    #3
  • i
    No transfer lock
    The domain has no transfer lock (status: active). A registrar lock protects against unauthorized transfers.
    #4
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

info

ns0017.secondary.cloudflare.com, ns0175.secondary.cloudflare.com

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns0017.secondary.cloudflare.com, ns0175.secondary.cloudflare.com
NS in the zone
ns0017.secondary.cloudflare.com, ns0175.secondary.cloudflare.com
NameserverAddressesNetwork (AS)Glue
ns0017.secondary.cloudflare.com162.159.32.18 2606:4700:51::a29f:2012AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US-
ns0175.secondary.cloudflare.com162.159.33.50 2606:4700:59::a29f:2132AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns0017.secondary.cloudflare.com, ns0175.secondary.cloudflare.com.
    #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 2 IPv6 /48s.
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS13335 (CLOUDFLARENET - Cloudflare, Inc., US): 4 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 .com
    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
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

warn

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns0017.secondary.cloudflare.com 162.159.32.18NOERROR, 14 ms, authoritativenoyes / yesrefused2026.10.2
ns0017.secondary.cloudflare.com 2606:4700:51::a29f:2012NOERROR, 15 ms, authoritativenoyes / yesrefused2026.10.2
ns0175.secondary.cloudflare.com 162.159.33.50NOERROR, 15 ms, authoritativenoyes / yesrefused2026.10.2
ns0175.secondary.cloudflare.com 2606:4700:59::a29f:2132NOERROR, 15 ms, authoritativenoyes / yesrefused2026.10.2

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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: ns0017.secondary.cloudflare.com: "2026.10.2"; ns0175.secondary.cloudflare.com: "2026.10.2". 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 418 · primary ns0175.secondary.cloudflare.com

Found

Primary (MNAME)
ns0175.secondary.cloudflare.com
Contact (RNAME)
netwerkadmin.kadaster.nl
Serial
418
Refresh / retry
10800 s / 3600 s
Expire
2419200 s
Negative TTL
900 s

Serial per nameserver

NameserverSerial
ns0017.secondary.cloudflare.com (162.159.32.18)418
ns0017.secondary.cloudflare.com (2606:4700:51::a29f:2012)418
ns0175.secondary.cloudflare.com (162.159.33.50)418
ns0175.secondary.cloudflare.com (2606:4700:59::a29f:2132)418

Checks

  • ✓ Serial 418 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 1h, expire 28d, negative TTL 15m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns0175.secondary.cloudflare.com is one of the listed nameservers.
  • ✓ Contact netwerkadmin@kadaster.nl #25
    The SOA RNAME netwerkadmin.kadaster.nl means netwerkadmin@kadaster.nl.
  • ✓ Counter serial #26
    The serial 418 is a plain counter.

DNSSEC

info

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC
Signatures valid until
22 October 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
2371ECDSAP256SHA256 (13)SHA256 6E06DE4829F5AC65…yes

DNSKEY in the zone

Key tagRoleAlgorithm
2371KSK (257)ECDSAP256SHA256 (13)
34505ZSK (256)ECDSAP256SHA256 (13)

Checks

  • ✓ Signed and validated #27
    The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
  • ✓ DS matches a key #28
    The DS record at the parent matches a key in the zone: key tag 2371 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Short-lived signatures (online signing) #30
    Signatures are valid for 50h0m0s and created on demand; the current one was made at 2026-10-20 20:22 UTC and expires at 2026-10-22 22:22 UTC.
  • i
    NSEC
    The zone uses NSEC, so its full contents can be listed by walking the NSEC chain. That is fine unless the names are sensitive.
    #31

Records

info

28 records at the apex

Found

Read from
162.159.32.18:53
TypeValueTTL
SOAns0175.secondary.cloudflare.com. netwerkadmin.kadaster.nl. 418 10800 3600 2419200 900300
NSns0017.secondary.cloudflare.com.300
NSns0175.secondary.cloudflare.com.300
A145.77.240.54300
AAAA2a07:3502:1210:240:54::300
MX0 kadaster-nl.mail.protection.outlook.com.300
TXT"_ikqoqtijssaxjdjyjfsg3lvrnx586r9"300
TXT"_jwm4aw3asxwhj0kbxuurssetfj3arf3"300
TXT"atlassian-domain-verification=9h9kMW3uWAHaN7naoSpznWk/zV5a3YL5M082BtkqwB65nQilbB08niD5haWpW40k"300
TXT"atlassian-domain-verification=Uk0inQWV4BjqebitoYj5erLTXuOVQDwmF1qa1vMQY4ZH7LhKjdqwfkWraawxP81l"300
TXT"atlassian-domain-verification=VCHmdIG4LMcIiPy19y4WGIdInklb8fjny48Nja7YVBZXkupDuF/veasaN8I3MNke"300
TXT"atlassian-domain-verification=mlnhFvb0ZMJnEuLIs/a4aOZzVQxpKhVWKzvqSpoemkWAaVPcXcjldEHsQaZaBGiB"300
TXT"bastion365-domain-validation=ff40393df9cf7"300
TXT"google-site-verification=FIetgDq7MdiHx38T014nQrhIek1enk8qwjU50TWiEiI"300
TXT"google-site-verification=vqve6jV1HFFpTY5ow-QPNHjdWvNsQ9dFHWhzRG9BJ0g"300
TXT"miro-verification=423d2d1e288fffa1c2e221d0f0ae034ad9ed05ab"300
TXT"ms=ms12812321"300
TXT"t+2yyjQLv8oCCjhKfGqIcCvQXpkcMKbKLoGmQOg1RP6vaoL65o4D3R/BBX0zQ81R5SzuhEXuyrM97kMwu3bLcA=="300
TXT"v=NTA7516-1;startdate=2019-06;enddate=2029-09;provider=bastionic;ntamx=10 mx.bastion365.net"300
TXT"v=spf1 exists:%{i}.spf.hc1006-11.eu.iphmx.com include:_spf.formulierenserver.nl include:_spf.spotler.email include:_spf.mail.services.bastion365.net include:spf.protection.outlook.com ip4:145.222.218.160/28 include:spf.flowmailer.net -all"300
CAA0 iodef "mailto:soc@kadaster.nl"300
CAA0 issue "certSIGN.ro"300
CAA0 issue "digicert.com"300
CAA0 issue "kpn.com"300
CAA0 issue "quovadisglobal.com"300
CAA0 issuewild "digicert.com"300
CAA0 issuewild "kpn.com"300
CAA0 issuewild "quovadisglobal.com"300

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, AAAA 5m, MX 5m, NS 5m. The NS TTL at the parent is 1h and in the zone 5m; resolvers may use either.
  • ✓ No CNAME at the apex #33
    The zone apex has no CNAME record.
  • i
    Wildcard record
    A random name under the zone resolves, so there is a wildcard (*) record. Typos and non-existent hosts resolve too, which can confuse mail and certificate checks.
    #34
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: certSIGN.ro, digicert.com, kpn.com, quovadisglobal.com.