Domain report: jellinek.nl

Registration

info

.nl country-code

Found

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

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

#3

Delegation

info

ns.arkin.nl, nsauth1.vancis.nl, nsauth2.vancis.nl, nsauth3.vancis.nl

Found

Parent zone: nl
Delegation from: ns1.dns.nl (194.0.28.53)
NS at the parent: ns.arkin.nl, nsauth1.vancis.nl, nsauth2.vancis.nl, nsauth3.vancis.nl
NS in the zone: ns.arkin.nl, nsauth1.vancis.nl, nsauth2.vancis.nl, nsauth3.vancis.nl

Nameserver	Addresses	Network (AS)	Glue
ns.arkin.nl	80.65.110.37	AS20847 PREVIDER-AS - Previder B.V., NL	80.65.110.37
nsauth1.vancis.nl	85.90.64.156 2001:4d60:0:5005::4	AS1126 VANCIS - IDDQD-AS, EU AS1126 VANCIS - IDDQD-AS, EU	85.90.64.156 2001:4d60:0:5005::4
nsauth2.vancis.nl	52.236.168.95	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US	52.236.168.95
nsauth3.vancis.nl	85.90.64.164 2001:4d60:0:5006::4	AS1126 VANCIS - IDDQD-AS, EU AS1126 VANCIS - IDDQD-AS, EU	85.90.64.164 2001:4d60:0:5006::4

Checks

✓ 4 nameservers #6

Delegated to ns.arkin.nl, nsauth1.vancis.nl, nsauth2.vancis.nl, nsauth3.vancis.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.
i

One address family in one network

all IPv6 addresses are in 2001:4d60::/48, while the other address family is spread over several networks.

#10
✓ 3 autonomous systems #11

The nameservers are spread over: AS1126 (VANCIS - IDDQD-AS, EU): 4 addresses; AS20847 (PREVIDER-AS - Previder B.V., NL): 1 address; AS8075 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US): 1 address.
i

All nameserver names under .nl

All nameserver names are under one TLD, so a problem with that TLD also makes the nameservers unreachable. Some operators use names under two TLDs for extra resilience.

#12
i

Partly IPv6

These nameservers have no IPv6 address: ns.arkin.nl, nsauth2.vancis.nl.

#13

Nameservers

pass

6 of 6 addresses answer authoritatively

Found

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ns.arkin.nl 80.65.110.37	NOERROR, 11 ms, authoritative	no	yes / yes	refused	-
nsauth1.vancis.nl 85.90.64.156	NOERROR, 10 ms, authoritative	no	yes / yes	refused	-
nsauth1.vancis.nl 2001:4d60:0:5005::4	NOERROR, 11 ms, authoritative	no	yes / yes	refused	-
nsauth2.vancis.nl 52.236.168.95	NOERROR, 12 ms, authoritative	no	yes / yes	refused	-
nsauth3.vancis.nl 85.90.64.164	NOERROR, 11 ms, authoritative	no	yes / yes	refused	-
nsauth3.vancis.nl 2001:4d60:0:5006::4	NOERROR, 11 ms, authoritative	no	yes / yes	refused	-

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 2026024434 · primary ns.arkin.nl

Found

Primary (MNAME): ns.arkin.nl
Contact (RNAME): helpdesk.arkin.nl
Serial: 2026024434
Refresh / retry: 10800 s / 900 s
Expire: 2419200 s
Negative TTL: 900 s

Serial per nameserver

Nameserver	Serial
ns.arkin.nl (80.65.110.37)	2026024434
nsauth1.vancis.nl (85.90.64.156)	2026024434
nsauth1.vancis.nl (2001:4d60:0:5005::4)	2026024434
nsauth2.vancis.nl (52.236.168.95)	2026024434
nsauth3.vancis.nl (85.90.64.164)	2026024434
nsauth3.vancis.nl (2001:4d60:0:5006::4)	2026024434

Checks

✓ Serial 2026024434 everywhere #22

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

SOA refresh 3h, retry 15m, expire 28d, negative TTL 15m.
✓ Primary is a public nameserver #24

The primary nameserver ns.arkin.nl is one of the listed nameservers.
✓ Contact helpdesk@arkin.nl #25

The SOA RNAME helpdesk.arkin.nl means helpdesk@arkin.nl.
✓ Timestamp serial #26

The serial 2026024434 is a Unix timestamp (2034-03-15 08:33 UTC).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver: yes
Denial of existence: NSEC3
NSEC3: 10 iterations, 3-byte salt
Signatures valid until: 25 October 2026

DS at the parent

Key tag	Algorithm	Digest	Matches a key
47332	RSASHA256 (8)	SHA256 4E1EC2BDAB674332…	NO
61234	RSASHA256 (8)	SHA256 13F251E12151CD82…	yes
10927	RSASHA256 (8)	SHA256 2EE9639202AAC305…	NO

DNSKEY in the zone

Key tag	Role	Algorithm
61234	KSK (257)	RSASHA256 (8)
41478	ZSK (256)	RSASHA256 (8)
39903	ZSK (256)	RSASHA256 (8)

Checks

✓ Signed and validated #27

The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
i

Unused DS records

These DS records match no key in the zone: key tag 47332 (SHA256), key tag 10927 (SHA256). That is normal during a key rollover; otherwise remove them.

#28
✓ Modern algorithms #29

Key algorithms: RSASHA256 (8).
✓ Short-lived signatures (online signing) #30

Signatures are valid for 97h0m0s and created on demand; the current one was made at 2026-10-21 11:56 UTC and expires at 2026-10-25 12:38 UTC.
!

NSEC3 with extra iterations or salt

NSEC3 uses 10 iterations and a 3-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

11 records at the apex

Found

Read from: 80.65.110.37:53

Type	Value	TTL
SOA	ns.arkin.nl. helpdesk.arkin.nl. 2026024434 10800 900 2419200 900	28800
NS	nsauth2.vancis.nl.	28800
NS	nsauth1.vancis.nl.	28800
NS	nsauth3.vancis.nl.	28800
NS	ns.arkin.nl.	28800
A	85.10.155.129	28800
MX	10 jellinek-nl.j-v1.mx.microsoft.	28800
TXT	"v=NTA7516-1;startdate=2019-06;enddate=2029-09;provider=bastionic;ntamx=10 mx.bastion365.net"	28800
TXT	"bastion365-domain-validation=02b69a9c896ca"	28800
TXT	"google-site-verification=9kodc2kPgY6SC9jzXJwM4iklXrQ1F1bt_7NCLCabSuI"	28800
TXT	"v=spf1 ip4:80.65.110.57 include:spf.protection.outlook.com include:_spf.zorgmail.nl include:_spf.mail.services.bastion365.net include:spf.eprov.nl -all"	28800

Checks

✓ TTLs within range #32

TTLs: A 8h, MX 8h, NS 8h. The NS TTL at the parent is 1h and in the zone 8h; 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