kwik-fit.nl

Checked 22 October 2026, 14:10 UTC · via 8.8.8.8
!Passed with warnings
28 passed 1 warning 0 failed 6 info

Registration

info

.nl country-code · Registrar.eu

Found

TLD
.nl (country-code)
ICANN policies apply
no
Registrar
Registrar.eu
Registered
25 September 1996
Last changed
11 July 2025
Status
active
Registry nameservers
ns.flexyzdns.eu, ns.flexyzdns.net, ns.flexyzdns.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

info

ns.flexyzdns.eu, ns.flexyzdns.net, ns.flexyzdns.nl

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns.flexyzdns.eu, ns.flexyzdns.net, ns.flexyzdns.nl
NS in the zone
ns.flexyzdns.eu, ns.flexyzdns.net, ns.flexyzdns.nl
NameserverAddressesNetwork (AS)Glue
ns.flexyzdns.eu185.56.34.179AS202022 FLEXYZ - Flexyz B.V., NL-
ns.flexyzdns.net185.160.56.5--
ns.flexyzdns.nl149.210.171.182 2a01:7c8:aaac:7b:5054:ff:fe04:3dbbAS20857 TRANSIP-AS - Signet B.V., NL AS20857 TRANSIP-AS - Signet B.V., NL149.210.171.182 2a01:7c8:aaac:7b:5054:ff:fe04:3dbb

Checks

  • ✓ 3 nameservers #6
    Delegated to ns.flexyzdns.eu, ns.flexyzdns.net, ns.flexyzdns.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 1 IPv6 /48.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS202022 (FLEXYZ - Flexyz B.V., NL): 1 address; AS20857 (TRANSIP-AS - Signet B.V., NL): 2 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .eu, .net, .nl.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns.flexyzdns.eu, ns.flexyzdns.net.
    #13

Nameservers

warn

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns.flexyzdns.eu 185.56.34.179NOERROR, 10 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 4.1.1
ns.flexyzdns.net 185.160.56.5NOERROR, 10 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 4.1.1
ns.flexyzdns.nl 149.210.171.182NOERROR, 12 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 4.1.1
ns.flexyzdns.nl 2a01:7c8:aaac:7b:5054:ff:fe04:3dbbNOERROR, 12 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 4.1.1

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: ns.flexyzdns.eu: "PowerDNS Authoritative Server 4.1.1"; ns.flexyzdns.net: "PowerDNS Authoritative Server 4.1.1"; ns.flexyzdns.nl: "PowerDNS Authoritative Server 4.1.1". 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 2026101201 · primary ns.flexyzdns.net

Found

Primary (MNAME)
ns.flexyzdns.net
Contact (RNAME)
domainregistry.flexyz.com
Serial
2026101201
Refresh / retry
3600 s / 600 s
Expire
1209600 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns.flexyzdns.eu (185.56.34.179)2026101201
ns.flexyzdns.net (185.160.56.5)2026101201
ns.flexyzdns.nl (149.210.171.182)2026101201
ns.flexyzdns.nl (2a01:7c8:aaac:7b:5054:ff:fe04:3dbb)2026101201

Checks

  • ✓ Serial 2026101201 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1h, retry 10m, expire 14d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns.flexyzdns.net is one of the listed nameservers.
  • ✓ Contact domainregistry@flexyz.com #25
    The SOA RNAME domainregistry.flexyz.com means domainregistry@flexyz.com.
  • ✓ Date-based serial #26
    The serial 2026101201 follows the YYYYMMDDnn convention (2026-10-12).

DNSSEC

info

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC
Signatures valid until
5 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
8873ECDSAP256SHA256 (13)SHA256 FED5DCBFD5E146D7…yes

DNSKEY in the zone

Key tagRoleAlgorithm
8873KSK (257)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 8873 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Signatures valid until 2026-11-05 #30
    The earliest DNSKEY/SOA signature expires at 2026-11-05 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
185.56.34.179:53
TypeValueTTL
SOAns.flexyzdns.net. domainregistry.flexyz.com. 2026101201 3600 600 1209600 36003600
NSns.flexyzdns.eu.3600
NSns.flexyzdns.nl.3600
NSns.flexyzdns.net.3600
A185.56.33.2103600
MX10 mx10.flexfilter.net.3600
MX20 mx20.flexfilter.net.3600
TXT"v=spf1 mx include:spf.afas.online include:spf.trustit.eu include:spf.topdesk.net ip4:83.137.141.52 ip4:80.84.235.70 include:spf.protection.outlook.com include:spf.flexfilter.net ~all"3600
TXT"7lcbt40kzx8ycmn5kdvskgcrdlft8wjr"3600
TXT"facebook-domain-verification=bzyls5bza89tygz46ee0ijjbjab34d"3600
TXT"docusign=10693bd4-2fbd-4d72-a300-97fb60264ada"3600
CAA0 issuewild "comodoca.com"3600
CAA0 issue "comodoca.com"3600
CAA0 iodef "mailto:support@flexyz.com"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, MX 1h, NS 1h.
  • ✓ 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: comodoca.com.