kasteeltuinen.nl

Checked 22 October 2026, 14:01 UTC · via 8.8.8.8
!Passed with warnings
24 passed 2 warnings 0 failed 3 info

Registration

info

.nl country-code

Found

TLD
.nl (country-code)
ICANN policies apply
no
Lookup error: https://rdap.sidn.nl/domain/kasteeltuinen.nl returned HTTP 429

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
    Could not be checked
    The RDAP lookup failed, so this could not be checked: https://rdap.sidn.nl/domain/kasteeltuinen.nl returned HTTP 429
    #3

Delegation

pass

ns1.esselink.nu, ns2.esselink.nu, ns3.esselink.online

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns1.esselink.nu, ns2.esselink.nu, ns3.esselink.online
NS in the zone
ns1.esselink.nu, ns2.esselink.nu, ns3.esselink.online
NameserverAddressesNetwork (AS)Glue
ns1.esselink.nu185.10.159.123 2a00:1938:1:a008::123:0AS42093 INTERRACKS-AS - InterRacks B.V., NL AS42093 INTERRACKS-AS - InterRacks B.V., NL-
ns2.esselink.nu85.10.136.5 2a01:7c8:d007:516:5054:ff:fed1:9cdfAS20857 TRANSIP-AS - Signet B.V., NL AS20857 TRANSIP-AS - Signet B.V., NL-
ns3.esselink.online178.251.25.75 2a00:1938:1:a008::203:0AS42093 INTERRACKS-AS - InterRacks B.V., NL AS42093 INTERRACKS-AS - InterRacks B.V., NL-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns1.esselink.nu, ns2.esselink.nu, ns3.esselink.online.
  • ✓ 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 2 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS20857 (TRANSIP-AS - Signet B.V., NL): 2 addresses; AS42093 (INTERRACKS-AS - InterRacks B.V., NL): 4 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .nu, .online.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

warn

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.esselink.nu 185.10.159.123NOERROR, 22 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 5.1.4 (built Aug 10 2026 13:38:30 by root@bh-centos-8.dev.cpanel.net)
ns1.esselink.nu 2a00:1938:1:a008::123:0NOERROR, 25 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 5.1.4 (built Aug 10 2026 13:38:30 by root@bh-centos-8.dev.cpanel.net)
ns2.esselink.nu 85.10.136.5NOERROR, 13 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 5.1.4 (built Aug 10 2026 13:38:30 by root@bh-centos-8.dev.cpanel.net)
ns2.esselink.nu 2a01:7c8:d007:516:5054:ff:fed1:9cdfNOERROR, 13 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 5.1.4 (built Aug 10 2026 13:38:30 by root@bh-centos-8.dev.cpanel.net)
ns3.esselink.online 178.251.25.75NOERROR, 21 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 5.1.4 (built Aug 10 2026 00:00:00 by root@bh-centos-9.dev.cpanel.net)
ns3.esselink.online 2a00:1938:1:a008::203:0NOERROR, 25 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 5.1.4 (built Aug 10 2026 00:00:00 by root@bh-centos-9.dev.cpanel.net)

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.esselink.nu: "PowerDNS Authoritative Server 5.1.4 (built Aug 10 2026 13:38:30 by root@bh-centos-8.dev.cpanel.net)"; ns2.esselink.nu: "PowerDNS Authoritative Server 5.1.4 (built Aug 10 2026 13:38:30 by root@bh-centos-8.dev.cpanel.net)"; ns3.esselink.online: "PowerDNS Authoritative Server 5.1.4 (built Aug 10 2026 00:00:00 by root@bh-centos-9.dev.cpanel.net)". 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 2026100501 · primary ns1.esselink.nu

Found

Primary (MNAME)
ns1.esselink.nu
Contact (RNAME)
info.esselink.nu
Serial
2026100501
Refresh / retry
3600 s / 1200 s
Expire
1209600 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns1.esselink.nu (185.10.159.123)2026100501
ns1.esselink.nu (2a00:1938:1:a008::123:0)2026100501
ns2.esselink.nu (85.10.136.5)2026100501
ns2.esselink.nu (2a01:7c8:d007:516:5054:ff:fed1:9cdf)2026100501
ns3.esselink.online (178.251.25.75)2026100501
ns3.esselink.online (2a00:1938:1:a008::203:0)2026100501

Checks

  • ✓ Serial 2026100501 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1h, retry 20m, expire 14d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.esselink.nu is one of the listed nameservers.
  • ✓ Contact info@esselink.nu #25
    The SOA RNAME info.esselink.nu means info@esselink.nu.
  • ✓ Date-based serial #26
    The serial 2026100501 follows the YYYYMMDDnn convention (2026-10-05).

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
185.10.159.123:53
TypeValueTTL
SOAns1.esselink.nu. info.esselink.nu. 2026100501 3600 1200 1209600 8640086400
NSns1.esselink.nu.86400
NSns3.esselink.online.86400
NSns2.esselink.nu.86400
A185.10.159.643600
AAAA2a00:1938:1:a008::3:03600
MX10 Kasteeltuinen-nl.mail.protection.outlook.com.3600
TXT"MS=ms53423319"3600
TXT"Sendinblue-code:4c04ff609dcc152ba061cb158fdff7f8"3600
TXT"facebook-domain-verification=phnf70tug2wj8f6p68dok6twuzt56g"3600
TXT"v=spf1 a mx include:spf.kasteeltuinen.nl include:spf.esselink.nu include:spf.sendinblue.com include:amazonses.com include:recreatex.be include:smtp.spf.ziggo.nl include:spf.protection.outlook.com -all"3600

Checks

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