Domain report: sportzorg.nl

Registration

info

.nl country-code

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

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/sportzorg.nl returned HTTP 429

#3

warn

ns00.finetic.nl, ns03.finetic.nl

Nameserver	Addresses	Network (AS)	Glue
ns00.finetic.nl	149.210.167.151	AS20857 TRANSIP-AS - Signet B.V., NL	149.210.167.151
ns03.finetic.nl	136.144.181.246	AS20857 TRANSIP-AS - Signet B.V., NL	-

i

2 nameservers

Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns00.finetic.nl, ns03.finetic.nl.

#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 0 IPv6 /48s.
i

All nameservers in one AS

All nameserver addresses are announced by one network operator (AS20857 (TRANSIP-AS - Signet B.V., NL): 2 addresses). An outage or attack on that network affects all nameservers; large anycast providers mitigate this, but a secondary DNS provider adds independence.

#11
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
!

No IPv6

None of the nameservers has an IPv6 address, so IPv6-only resolvers can't reach them.

#13

warn

2 of 2 addresses answer authoritatively

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ns00.finetic.nl 149.210.167.151	NOERROR, 11 ms, authoritative	no	yes / yes	refused	9.18.39-0ubuntu0.24.04.8-Ubuntu
ns03.finetic.nl 136.144.181.246	NOERROR, 11 ms, authoritative	no	yes / yes	refused	none

✓ All respond #14

All 2 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.
!

Software version disclosed

These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: ns00.finetic.nl: "9.18.39-0ubuntu0.24.04.8-Ubuntu". Hide or replace the version string.

#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.

pass

serial 2025072503 · primary ns00.finetic.nl

Nameserver	Serial
ns00.finetic.nl (149.210.167.151)	2025072503
ns03.finetic.nl (136.144.181.246)	2025072503

✓ Serial 2025072503 everywhere #22

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

SOA refresh 3h, retry 1h, expire 14d, negative TTL 3h.
✓ Primary is a public nameserver #24

The primary nameserver ns00.finetic.nl is one of the listed nameservers.
✓ Contact accounts@finetic.nl #25

The SOA RNAME accounts.finetic.nl means accounts@finetic.nl.
✓ Date-based serial #26

The serial 2025072503 follows the YYYYMMDDnn convention (2025-07-25).

warn

Not signed

info

8 records at the apex

Type	Value	TTL
SOA	ns00.finetic.nl. accounts.finetic.nl. 2025072503 10800 3600 1209600 10800	3600
NS	ns03.finetic.nl.	3600
NS	ns00.finetic.nl.	3600
A	136.144.181.246	3600
AAAA	2a01:7c8:aac6:322:5054:ff:fe9c:b52c	3600
MX	0 sportzorg-nl.mail.protection.outlook.com.	3600
TXT	"v=spf1 include:spf.finetic.nl include:vpo.nl include:spf.protection.outlook.com ip4:5.172.45.0/24 -all"	3600
TXT	"MS=ms59262336"	3600