vanbuitenen.nl

Checked 22 October 2026, 17:00 UTC · via 8.8.8.8
!Passed with warnings
29 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/vanbuitenen.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/vanbuitenen.nl returned HTTP 429
    #3

Delegation

pass

ns10.foxxl.com, ns10.foxxl.net, ns10.foxxl.nl

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns10.foxxl.com, ns10.foxxl.net, ns10.foxxl.nl
NS in the zone
ns10.foxxl.com, ns10.foxxl.net, ns10.foxxl.nl
NameserverAddressesNetwork (AS)Glue
ns10.foxxl.com84.22.107.92 2a02:2770:15:0:21a:4aff:fe47:7be6AS196752 TILAA - Tilaa B.V., NL AS196752 TILAA - Tilaa B.V., NL-
ns10.foxxl.net94.237.43.124 2a04:3544:1000:1510:e401:f9ff:fea1:1642AS202053 UPCLOUD - UpCloud Ltd, FI AS202053 UPCLOUD - UpCloud Ltd, FI-
ns10.foxxl.nl2.56.226.130 2a09:d240:1:6::130AS21221 InfoPact-AS - Infopact Netwerkdiensten B.V., NL AS21221 InfoPact-AS - Infopact Netwerkdiensten B.V., NL2.56.226.130 2a09:d240:1:6::130

Checks

  • ✓ 3 nameservers #6
    Delegated to ns10.foxxl.com, ns10.foxxl.net, ns10.foxxl.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: AS196752 (TILAA - Tilaa B.V., NL): 2 addresses; AS202053 (UPCLOUD - UpCloud Ltd, FI): 2 addresses; AS21221 (InfoPact-AS - Infopact Netwerkdiensten B.V., NL): 2 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .com, .net, .nl.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns10.foxxl.com 84.22.107.92NOERROR, 14 ms, authoritativenoyes / yesrefused-
ns10.foxxl.com 2a02:2770:15:0:21a:4aff:fe47:7be6NOERROR, 19 ms, authoritativenoyes / yesrefused-
ns10.foxxl.net 94.237.43.124NOERROR, 19 ms, authoritativenoyes / yesrefused-
ns10.foxxl.net 2a04:3544:1000:1510:e401:f9ff:fea1:1642NOERROR, 16 ms, authoritativenoyes / yesrefused-
ns10.foxxl.nl 2.56.226.130NOERROR, 20 ms, authoritativenoyes / yesrefused-
ns10.foxxl.nl 2a09:d240:1:6::130NOERROR, 17 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 2026043004 · primary ns10.foxxl.nl

Found

Primary (MNAME)
ns10.foxxl.nl
Contact (RNAME)
gideon.vanbuitenen.nl
Serial
2026043004
Refresh / retry
14400 s / 3600 s
Expire
604800 s
Negative TTL
10800 s

Serial per nameserver

NameserverSerial
ns10.foxxl.com (84.22.107.92)2026043004
ns10.foxxl.com (2a02:2770:15:0:21a:4aff:fe47:7be6)2026043004
ns10.foxxl.net (94.237.43.124)2026043004
ns10.foxxl.net (2a04:3544:1000:1510:e401:f9ff:fea1:1642)2026043004
ns10.foxxl.nl (2.56.226.130)2026043004
ns10.foxxl.nl (2a09:d240:1:6::130)2026043004

Checks

  • ✓ Serial 2026043004 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 4h, retry 1h, expire 7d, negative TTL 3h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns10.foxxl.nl is one of the listed nameservers.
  • ✓ Contact gideon@vanbuitenen.nl #25
    The SOA RNAME gideon.vanbuitenen.nl means gideon@vanbuitenen.nl.
  • ✓ Date-based serial #26
    The serial 2026043004 follows the YYYYMMDDnn convention (2026-04-30).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
1 iterations, 1-byte salt
Signatures valid until
5 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
13825RSASHA256 (8)SHA256 5EADB3A4DADB733F…yes

DNSKEY in the zone

Key tagRoleAlgorithm
43393ZSK (256)RSASHA256 (8)
13825KSK (257)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 13825 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: RSASHA256 (8).
  • ✓ Signatures valid until 2026-11-05 #30
    The earliest DNSKEY/SOA signature expires at 2026-11-05 00:00 UTC.
  • !
    NSEC3 with extra iterations or salt
    NSEC3 uses 1 iteration and a 1-byte salt. RFC 9276 recommends 0 iterations and no salt: extra iterations cost resolvers CPU and add no real protection, and some validators treat high counts as insecure.
    #31

Records

info

9 records at the apex

Found

Read from
84.22.107.92:53
TypeValueTTL
SOAns10.foxxl.nl. gideon.vanbuitenen.nl. 2026043004 14400 3600 604800 108003600
NSns10.foxxl.com.3600
NSns10.foxxl.nl.3600
NSns10.foxxl.net.3600
A2.56.226.163600
AAAA2a09:d240:1:4::163600
MX10 mx.spam-filter.email.3600
MX20 fallbackmx.spam-filter.cloud.3600
TXT"v=spf1 include:_spf.foxxl.com ~all"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