Domain report: zn.nl

Registration

info

.nl country-code

Found

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

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

#3

Delegation

info

ns1.yourdomainprovider.net, ns2.yourdomainprovider.net, ns3.yourdomainprovider.net

Found

Parent zone: nl
Delegation from: ns1.dns.nl (194.0.28.53)
NS at the parent: ns1.yourdomainprovider.net, ns2.yourdomainprovider.net, ns3.yourdomainprovider.net
NS in the zone: ns1.yourdomainprovider.net, ns2.yourdomainprovider.net, ns3.yourdomainprovider.net

Nameserver	Addresses	Network (AS)	Glue
ns1.yourdomainprovider.net	185.88.143.183 2a00:c6c0:0:150:1::1	AS47172 Greenhost - Greenhost BV, NL AS47172 Greenhost - Greenhost BV, NL	-
ns2.yourdomainprovider.net	46.101.153.24 2a03:b0c0:3:d0::124:5001	AS14061 DIGITALOCEAN-ASN - DigitalOcean, LLC, US AS14061 DIGITALOCEAN-ASN - DigitalOcean, LLC, US	-
ns3.yourdomainprovider.net	104.236.29.251 2604:a880:800:10::9a1:2001	AS14061 DIGITALOCEAN-ASN - DigitalOcean, LLC, US AS14061 DIGITALOCEAN-ASN - DigitalOcean, LLC, US	-

Checks

✓ 3 nameservers #6

Delegated to ns1.yourdomainprovider.net, ns2.yourdomainprovider.net, ns3.yourdomainprovider.net.
✓ 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: AS14061 (DIGITALOCEAN-ASN - DigitalOcean, LLC, US): 4 addresses; AS47172 (Greenhost - Greenhost BV, NL): 2 addresses.
i

All nameserver names under .net

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
✓ All reachable over IPv6 #13

Every nameserver has an IPv6 address.

Nameservers

pass

6 of 6 addresses answer authoritatively

Found

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ns1.yourdomainprovider.net 185.88.143.183	NOERROR, 10 ms, authoritative	no	yes / yes	refused	-
ns1.yourdomainprovider.net 2a00:c6c0:0:150:1::1	NOERROR, 11 ms, authoritative	no	yes / yes	refused	-
ns2.yourdomainprovider.net 46.101.153.24	NOERROR, 7 ms, authoritative	no	yes / yes	refused	-
ns2.yourdomainprovider.net 2a03:b0c0:3:d0::124:5001	NOERROR, 5 ms, authoritative	no	yes / yes	refused	-
ns3.yourdomainprovider.net 104.236.29.251	NOERROR, 92 ms, authoritative	no	yes / yes	refused	-
ns3.yourdomainprovider.net 2604:a880:800:10::9a1:2001	NOERROR, 86 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 2026052001 · primary ns1.yourdomainprovider.net

Found

Primary (MNAME): ns1.yourdomainprovider.net
Contact (RNAME): hostmaster.zn.nl
Serial: 2026052001
Refresh / retry: 10800 s / 3600 s
Expire: 604800 s
Negative TTL: 3600 s

Serial per nameserver

Nameserver	Serial
ns1.yourdomainprovider.net (185.88.143.183)	2026052001
ns1.yourdomainprovider.net (2a00:c6c0:0:150:1::1)	2026052001
ns2.yourdomainprovider.net (46.101.153.24)	2026052001
ns2.yourdomainprovider.net (2a03:b0c0:3:d0::124:5001)	2026052001
ns3.yourdomainprovider.net (104.236.29.251)	2026052001
ns3.yourdomainprovider.net (2604:a880:800:10::9a1:2001)	2026052001

Checks

✓ Serial 2026052001 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 ns1.yourdomainprovider.net is one of the listed nameservers.
✓ Contact hostmaster@zn.nl #25

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

The serial 2026052001 follows the YYYYMMDDnn convention (2026-05-20).

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 tag	Algorithm	Digest	Matches a key
19911	ECDSAP256SHA256 (13)	SHA256 1C2871EC1452D02F…	yes

DNSKEY in the zone

Key tag	Role	Algorithm
19911	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 19911 (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.
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

info

13 records at the apex

Found

Read from: 185.88.143.183:53

Type	Value	TTL
SOA	ns1.yourdomainprovider.net. hostmaster.zn.nl. 2026052001 10800 3600 604800 3600	3600
NS	ns2.yourdomainprovider.net.	3600
NS	ns3.yourdomainprovider.net.	3600
NS	ns1.yourdomainprovider.net.	3600
A	213.108.105.12	3600
AAAA	2a00:c6c0:0:108:9::1	3600
MX	10 smx01.yourdomainprovider.net.	3600
MX	10 smx02.yourdomainprovider.net.	3600
TXT	"apple-domain-verification=8nEpnK7BnlnQROYg"	3600
TXT	"v=spf1 +ip4:136.144.226.58 a:smx01.yourdomainprovider.net a:smx02.yourdomainprovider.net include:mail.zendesk.com include:spf.afas.online include:spf.mailjet.com ip4:212.78.204.18 include:spf.protection.outlook.com -all"	3600
TXT	"t16vn48dz4h4wxcnft4qyt2skh0qrk0h"	3600
TXT	"bw=cZyQCHY+hREdyrHznEdL8QzugZcMYDT7cFAbklGNLUFg"	3600
TXT	"google-site-verification=XmdmfPxtlL1_T5TM6qMAB4NhBbGs-9qFX0or2-Cgiio"	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