qdc.nl

Checked 22 October 2026, 15:31 UTC · via 8.8.8.8
iAll checks passed
30 passed 0 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/qdc.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/qdc.nl returned HTTP 429
    #3

Delegation

pass

ns-d.dns.versio.nl, ns-h.dns.versio.eu, ns-r.dns.versio.be

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns-d.dns.versio.nl, ns-h.dns.versio.eu, ns-r.dns.versio.be
NS in the zone
ns-d.dns.versio.nl, ns-h.dns.versio.eu, ns-r.dns.versio.be
NameserverAddressesNetwork (AS)Glue
ns-d.dns.versio.nl185.109.217.167 2a05:1500:600:5:1c00:e3ff:fe00:d4bAS48635 CLDIN-NL - Your Hosting B.V., NL AS48635 CLDIN-NL - Your Hosting B.V., NL-
ns-h.dns.versio.eu92.63.173.183 2a05:1500:702:3:1c00:43ff:fe00:14c0AS48635 CLDIN-NL - Your Hosting B.V., NL AS48635 CLDIN-NL - Your Hosting B.V., NL-
ns-r.dns.versio.be195.8.208.10 2a05:1500:fe00::c3ff:fe08:d00aAS12859 NL-BIT - BIT BV, NL AS12859 NL-BIT - BIT BV, NL-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns-d.dns.versio.nl, ns-h.dns.versio.eu, ns-r.dns.versio.be.
  • ✓ 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: AS12859 (NL-BIT - BIT BV, NL): 2 addresses; AS48635 (CLDIN-NL - Your Hosting B.V., NL): 4 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .be, .eu, .nl.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns-d.dns.versio.nl 185.109.217.167NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns-d.dns.versio.nl 2a05:1500:600:5:1c00:e3ff:fe00:d4bNOERROR, 11 ms, authoritativenoyes / yesrefused-
ns-h.dns.versio.eu 92.63.173.183NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns-h.dns.versio.eu 2a05:1500:702:3:1c00:43ff:fe00:14c0NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns-r.dns.versio.be 195.8.208.10NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns-r.dns.versio.be 2a05:1500:fe00::c3ff:fe08:d00aNOERROR, 11 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 2026012804 · primary ns-d.dns.versio.nl

Found

Primary (MNAME)
ns-d.dns.versio.nl
Contact (RNAME)
hostmaster.dns.versio.nl
Serial
2026012804
Refresh / retry
10800 s / 3600 s
Expire
604800 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns-d.dns.versio.nl (185.109.217.167)2026012804
ns-d.dns.versio.nl (2a05:1500:600:5:1c00:e3ff:fe00:d4b)2026012804
ns-h.dns.versio.eu (92.63.173.183)2026012804
ns-h.dns.versio.eu (2a05:1500:702:3:1c00:43ff:fe00:14c0)2026012804
ns-r.dns.versio.be (195.8.208.10)2026012804
ns-r.dns.versio.be (2a05:1500:fe00::c3ff:fe08:d00a)2026012804

Checks

  • ✓ Serial 2026012804 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 3h, retry 1h, expire 7d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns-d.dns.versio.nl is one of the listed nameservers.
  • ✓ Contact hostmaster@dns.versio.nl #25
    The SOA RNAME hostmaster.dns.versio.nl means hostmaster@dns.versio.nl.
  • ✓ Date-based serial #26
    The serial 2026012804 follows the YYYYMMDDnn convention (2026-01-28).

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
54397RSASHA256 (8)SHA256 DF1CEF003C6100F9…yes

DNSKEY in the zone

Key tagRoleAlgorithm
54397KSK (257)RSASHA256 (8)
17533KSK (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 54397 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13), RSASHA256 (8).
  • ✓ 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

pass

14 records at the apex

Found

Read from
185.109.217.167:53
TypeValueTTL
SOAns-d.dns.versio.nl. hostmaster.dns.versio.nl. 2026012804 10800 3600 604800 36003600
NSns-r.dns.versio.be.3600
NSns-h.dns.versio.eu.3600
NSns-d.dns.versio.nl.3600
A62.221.251.170600
MX0 mxfw3.qdc.nl.3600
MX21 mxfw2.qdc.nl.3600
MX0 mxfw1.qdc.nl.3600
TXT"google-site-verification=AxcGjHWvpDXCrt6ivRNNWws4Svt_2iuQwVaf5U6vLgY"3600
TXT"v=spf1 ip4:167.89.88.121 ip4:185.105.216.21 include:_ascio.qdc.nl include:_barracuda.qdcspf.nl include:_spf1.qdc.nl include:spf.protection.outlook.com include:spf.mandrillapp.com ~all"3600
CAA0 iodef "mailto:monitoring@qdc.nl"3600
CAA0 issue "comodoca.com"3600
CAA0 issue "digicert.com"3600
CAA0 issue "letsencrypt.org"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 10m, 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: comodoca.com, digicert.com, letsencrypt.org.