Domain report: oorlogsmuseum.nl

Registration

info

.nl country-code

Found

TLD: .nl (country-code)
ICANN policies apply: no

Lookup error: https://rdap.sidn.nl/domain/oorlogsmuseum.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/oorlogsmuseum.nl returned HTTP 429

#3

Delegation

info

ns1.cybox.nl, ns2.cybox.eu

Found

Parent zone: nl
Delegation from: ns1.dns.nl (194.0.28.53)
NS at the parent: ns1.cybox.nl, ns2.cybox.eu
NS in the zone: ns1.cybox.nl, ns2.cybox.eu

Nameserver	Addresses	Network (AS)	Glue
ns1.cybox.nl	83.96.245.73 2a02:348:5e6:1::60ff	AS35470 XL-AS - Signet B.V., NL AS35470 XL-AS - Signet B.V., NL	83.96.245.73 2a02:348:5e6:1::60ff
ns2.cybox.eu	18.195.144.95 2a05:d014:a0b:de00::53	AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US	-

Checks

i

2 nameservers

Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns1.cybox.nl, ns2.cybox.eu.

#6
✓ 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 2 IPv4 /24s and 2 IPv6 /48s.
✓ 2 autonomous systems #11

The nameservers are spread over: AS16509 (AMAZON-02 - Amazon.com, Inc., US): 2 addresses; AS35470 (XL-AS - Signet B.V., NL): 2 addresses.
✓ Nameserver names under 2 TLDs #12

Nameserver names use the TLDs .eu, .nl.
✓ All reachable over IPv6 #13

Every nameserver has an IPv6 address.

Nameservers

info

4 of 4 addresses answer authoritatively

Found

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ns1.cybox.nl 83.96.245.73	NOERROR, 18 ms, authoritative	no	yes / yes	refused	CYBOX DNS
ns1.cybox.nl 2a02:348:5e6:1::60ff	NOERROR, 16 ms, authoritative	no	yes / yes	refused	CYBOX DNS
ns2.cybox.eu 18.195.144.95	NOERROR, 9 ms, authoritative	no	yes / yes	refused	CYBOX DNS
ns2.cybox.eu 2a05:d014:a0b:de00::53	NOERROR, 9 ms, authoritative	no	yes / yes	refused	CYBOX DNS

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.
i

Identifying string disclosed

These nameservers answer version queries with a string that is not a version number: ns1.cybox.nl: "CYBOX DNS"; ns2.cybox.eu: "CYBOX DNS".

#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 2025110601 · primary ns1.cybox.nl

Found

Primary (MNAME): ns1.cybox.nl
Contact (RNAME): hostmaster.cybox.nl
Serial: 2025110601
Refresh / retry: 86400 s / 3600 s
Expire: 1209600 s
Negative TTL: 7200 s

Serial per nameserver

Nameserver	Serial
ns1.cybox.nl (83.96.245.73)	2025110601
ns1.cybox.nl (2a02:348:5e6:1::60ff)	2025110601
ns2.cybox.eu (18.195.144.95)	2025110601
ns2.cybox.eu (2a05:d014:a0b:de00::53)	2025110601

Checks

✓ Serial 2025110601 everywhere #22

All nameservers serve the same version of the zone.
✓ Timers within recommendations #23

SOA refresh 1d, retry 1h, expire 14d, negative TTL 2h.
✓ Primary is a public nameserver #24

The primary nameserver ns1.cybox.nl is one of the listed nameservers.
✓ Contact hostmaster@cybox.nl #25

The SOA RNAME hostmaster.cybox.nl means hostmaster@cybox.nl.
✓ Date-based serial #26

The serial 2025110601 follows the YYYYMMDDnn convention (2025-11-06).

DNSSEC

pass

Signed, DS published at parent

Found

Validated by resolver: yes
Denial of existence: NSEC3
NSEC3: 0 iterations, 0-byte salt
Signatures valid until: 5 November 2026

DS at the parent

Key tag	Algorithm	Digest	Matches a key
733	ECDSAP256SHA256 (13)	SHA256 557D2879BEC31FFB…	yes

DNSKEY in the zone

Key tag	Role	Algorithm
733	KSK (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 733 (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.
✓ NSEC3 as recommended #31

The zone uses NSEC3 with 0 iterations and no salt (RFC 9276).

Records

info

10 records at the apex

Found

Read from: 83.96.245.73:53

Type	Value	TTL
SOA	ns1.cybox.nl. hostmaster.cybox.nl. 2025110601 86400 3600 1209600 7200	86400
NS	ns2.cybox.eu.	86400
NS	ns1.cybox.nl.	86400
A	81.4.84.89	300
AAAA	2a02:348:5e6:1::4cdf	300
MX	20 mx2.samofficedns.com.	86400
MX	10 mx1.samofficedns.com.	86400
TXT	"google-site-verification=Wa-ICvw5XiOHTkGfc-LkPJUrSh39QB3pYUtqrfwPKew"	3600
TXT	"MS=ms57505964"	3600
TXT	"v=spf1 include:_spf.cybox.email include:spf.protection.outlook.com include:spf.samhosting.nl include:spf.afas.online include:_spf.spotler.email -all"	3600

Checks

✓ TTLs within range #32

TTLs: A 5m, AAAA 5m, MX 1d, 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