vca.nl

Checked 22 October 2026, 17:00 UTC · via 8.8.8.8
!Passed with warnings
25 passed 1 warning 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/vca.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/vca.nl returned HTTP 429
    #3

Delegation

pass

ns1.hostingcore.nl, ns2.hostingcore.eu, ns3.hostingcore.domains

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns1.hostingcore.nl, ns2.hostingcore.eu, ns3.hostingcore.domains
NS in the zone
ns1.hostingcore.nl, ns2.hostingcore.eu, ns3.hostingcore.domains
NameserverAddressesNetwork (AS)Glue
ns1.hostingcore.nl83.136.17.12 2a03:7000:c0c0:17::12AS31673 UNISERVER-AS - Uniserver Internet B.V., NL AS31673 UNISERVER-AS - Uniserver Internet B.V., NL83.136.17.12 2a03:7000:c0c0:17::12
ns2.hostingcore.eu74.234.161.171 2603:1020:201:f::186AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US-
ns3.hostingcore.domains51.12.210.244 2603:1020:1001::3dAS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns1.hostingcore.nl, ns2.hostingcore.eu, ns3.hostingcore.domains.
  • ✓ 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.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS31673 (UNISERVER-AS - Uniserver Internet B.V., NL): 2 addresses; AS8075 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US): 4 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .domains, .eu, .nl.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.hostingcore.nl 83.136.17.12NOERROR, 10 ms, authoritativenoyes / yesrefused-
ns1.hostingcore.nl 2a03:7000:c0c0:17::12NOERROR, 12 ms, authoritativenoyes / yesrefused-
ns2.hostingcore.eu 74.234.161.171NOERROR, 13 ms, authoritativenoyes / yesrefused-
ns2.hostingcore.eu 2603:1020:201:f::186NOERROR, 13 ms, authoritativenoyes / yesrefused-
ns3.hostingcore.domains 51.12.210.244NOERROR, 31 ms, authoritativenoyes / yesrefused-
ns3.hostingcore.domains 2603:1020:1001::3dNOERROR, 29 ms, authoritativenoyes / yesrefused-

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.
  • ✓ No version disclosed #17
    The nameservers don't reveal their software version.
  • ✓ 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 2014093084 · primary ns2.hostingcore.eu

Found

Primary (MNAME)
ns2.hostingcore.eu
Contact (RNAME)
beheer.nedcomp.nl
Serial
2014093084
Refresh / retry
14400 s / 3600 s
Expire
1209600 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns1.hostingcore.nl (83.136.17.12)2014093084
ns1.hostingcore.nl (2a03:7000:c0c0:17::12)2014093084
ns2.hostingcore.eu (74.234.161.171)2014093084
ns2.hostingcore.eu (2603:1020:201:f::186)2014093084
ns3.hostingcore.domains (51.12.210.244)2014093084
ns3.hostingcore.domains (2603:1020:1001::3d)2014093084

Checks

  • ✓ Serial 2014093084 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 4h, retry 1h, expire 14d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns2.hostingcore.eu is one of the listed nameservers.
  • ✓ Contact beheer@nedcomp.nl #25
    The SOA RNAME beheer.nedcomp.nl means beheer@nedcomp.nl.
  • ✓ Date-based serial #26
    The serial 2014093084 follows the YYYYMMDDnn convention (2014-09-30).

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

10 records at the apex

Found

Read from
83.136.17.12:53
TypeValueTTL
SOAns2.hostingcore.eu. beheer.nedcomp.nl. 2014093084 14400 3600 1209600 36003600
NSns1.hostingcore.nl.3600
NSns2.hostingcore.eu.3600
NSns3.hostingcore.domains.3600
A178.22.63.1013600
AAAA2a00:1e28:3:a027::13600
MX10 vmx04.prolocation.net.3600
MX10 vmx01.prolocation.net.3600
MX10 vmx02.prolocation.net.3600
MX10 vmx03.prolocation.net.3600

Checks

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