jck.nl

Checked 21 October 2026, 21:22 UTC · via 8.8.8.8
!Passed with warnings
28 passed 2 warnings 0 failed 5 info

Registration

info

.nl country-code · White Label Domain

Found

TLD
.nl (country-code)
ICANN policies apply
no
Registrar
White Label Domain
Registered
31 December 1999
Last changed
10 December 2021
Status
active
Registry nameservers
ns1.dnsshop.org, ns2.dnsshop.eu, ns3.dnsshop.nl
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

pass

ns1.dnsshop.org, ns2.dnsshop.eu, ns3.dnsshop.nl

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns1.dnsshop.org, ns2.dnsshop.eu, ns3.dnsshop.nl
NS in the zone
ns1.dnsshop.org, ns2.dnsshop.eu, ns3.dnsshop.nl
NameserverAddressesNetwork (AS)Glue
ns1.dnsshop.org91.199.167.25 2a0e:c9c0:12::11AS50673 Serverius-as - Serverius Holding B.V., NL AS50673 Serverius-as - Serverius Holding B.V., NL-
ns2.dnsshop.eu94.142.242.172 2a02:898:151:53::1AS8283 COLOCLUE-AS - Netwerkvereniging Coloclue, NL AS8283 COLOCLUE-AS - Netwerkvereniging Coloclue, NL-
ns3.dnsshop.nl92.63.173.95 2a05:1500:702:3:1c00:c0ff:fe00:1468AS48635 CLDIN-NL - Your Hosting B.V., NL AS48635 CLDIN-NL - Your Hosting B.V., NL92.63.173.95 2a05:1500:702:3:1c00:c0ff:fe00:1468

Checks

  • ✓ 3 nameservers #6
    Delegated to ns1.dnsshop.org, ns2.dnsshop.eu, ns3.dnsshop.nl.
  • ✓ 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 3 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS48635 (CLDIN-NL - Your Hosting B.V., NL): 2 addresses; AS50673 (Serverius-as - Serverius Holding B.V., NL): 2 addresses; AS8283 (COLOCLUE-AS - Netwerkvereniging Coloclue, NL): 2 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .eu, .nl, .org.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

warn

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.dnsshop.org 91.199.167.25NOERROR, 12 ms, authoritativenoyes / yesrefusedPowerDNS 1.3.3.7
ns1.dnsshop.org 2a0e:c9c0:12::11NOERROR, 12 ms, authoritativenoyes / yesrefusedPowerDNS 1.3.3.7
ns2.dnsshop.eu 94.142.242.172NOERROR, 10 ms, authoritativenoyes / yesrefusedns2-eun - served by PowerDNS - using the Coloclue network
ns2.dnsshop.eu 2a02:898:151:53::1NOERROR, 10 ms, authoritativenoyes / yesrefusedns2-eun - served by PowerDNS - using the Coloclue network
ns3.dnsshop.nl 92.63.173.95NOERROR, 11 ms, authoritativenoyes / yesrefusedDNSshop
ns3.dnsshop.nl 2a05:1500:702:3:1c00:c0ff:fe00:1468NOERROR, 11 ms, authoritativenoyes / yesrefusedDNSshop

Checks

  • ✓ All respond #14
    All 6 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.dnsshop.org: "PowerDNS 1.3.3.7". 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

warn

serial 2026100750 · primary ns1.dnsshop.org

Found

Primary (MNAME)
ns1.dnsshop.org
Contact (RNAME)
hostmaster.jck.nl
Serial
2026100750
Refresh / retry
3600 s / 600 s
Expire
86400 s
Negative TTL
900 s

Serial per nameserver

NameserverSerial
ns1.dnsshop.org (91.199.167.25)2026100750
ns1.dnsshop.org (2a0e:c9c0:12::11)2026100750
ns2.dnsshop.eu (94.142.242.172)2026100750
ns2.dnsshop.eu (2a02:898:151:53::1)2026100750
ns3.dnsshop.nl (92.63.173.95)2026100750
ns3.dnsshop.nl (2a05:1500:702:3:1c00:c0ff:fe00:1468)2026100750

Checks

  • ✓ Serial 2026100750 everywhere #22
    All nameservers serve the same version of the zone.
  • !
    Unusual SOA timers
    expire 1d is shorter than 7d; secondaries stop answering too soon when the primary is down. Current values: refresh 1h, retry 10m, expire 1d, negative TTL 15m.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.dnsshop.org is one of the listed nameservers.
  • ✓ Contact hostmaster@jck.nl #25
    The SOA RNAME hostmaster.jck.nl means hostmaster@jck.nl.
  • ✓ Date-based serial #26
    The serial 2026100750 follows the YYYYMMDDnn convention (2026-10-07).

DNSSEC

info

Signed, DS published at parent

Found

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

DS at the parent

Key tagAlgorithmDigestMatches a key
64901RSASHA256 (8)SHA256 415EA0392B41203D…yes

DNSKEY in the zone

Key tagRoleAlgorithm
58549ZSK (256)RSASHA256 (8)
64901KSK (257)RSASHA256 (8)
56959ZSK (256)RSASHA256 (8)

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 64901 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: RSASHA256 (8).
  • ✓ Signatures valid until 2026-10-29 #30
    The earliest DNSKEY/SOA signature expires at 2026-10-29 00:00 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

14 records at the apex

Found

Read from
91.199.167.25:53
TypeValueTTL
SOAns1.dnsshop.org. hostmaster.jck.nl. 2026100750 3600 600 86400 900300
NSns2.dnsshop.eu.300
NSns1.dnsshop.org.300
NSns3.dnsshop.nl.300
A185.173.20.179300
AAAA2a0b:3100:20::82300
MX10 jck-nl.mail.protection.outlook.com.300
TXT"adobe-idp-site-verification=2e907f2a50fab0e0ae4c3cd7e1829490b1c48c47700f0b62696e35f493e56b8d"300
TXT"v=spf1 include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com include:spf.afas.online include:_spf.exsilia.net -all"300
TXT"google-site-verification=HC04czQ6orqE6YaVvIxZu-YYUcqDlim4SdzrBeIEtfc"300
TXT"amazonses:F+PkJPpRQ92jn75G7OKCJKLswGGnlxMICvbCpc9JnBA="300
TXT"apple-domain-verification=DnHuUgXceRBM84QA"300
TXT"facebook-domain-verification=apsx0rr1wjivnvnxitb5me5eycp4w9"300
TXT"MS=ms80509586"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.
  • ✓ 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