Domain report: dds.nl

Registration

info

.nl country-code

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

#3

warn

ns1.dds.nl, ns2.dds.eu, ns3.dds.amsterdam

Nameserver	Addresses	Network (AS)	Glue
ns1.dds.nl	141.255.180.130	AS31586 AS-TBNLTN - Signet B.V., NL	141.255.180.130
ns2.dds.eu	136.144.233.156	AS20857 TRANSIP-AS - Signet B.V., NL	-
ns3.dds.amsterdam	85.158.250.40	AS31586 AS-TBNLTN - Signet B.V., NL	-

✓ 3 nameservers #6

Delegated to ns1.dds.nl, ns2.dds.eu, ns3.dds.amsterdam.
✓ Parent and zone agree #7

The parent delegation and the zone's NS records list the same nameservers.
✓ Glue present and correct #8

Glue is published for the nameservers inside the zone: ns1.dds.nl.
✓ 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 0 IPv6 /48s.
✓ 2 autonomous systems #11

The nameservers are spread over: AS20857 (TRANSIP-AS - Signet B.V., NL): 1 address; AS31586 (AS-TBNLTN - Signet B.V., NL): 2 addresses.
✓ Nameserver names under 3 TLDs #12

Nameserver names use the TLDs .amsterdam, .eu, .nl.
!

No IPv6

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

#13

warn

3 of 3 addresses answer authoritatively

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ns1.dds.nl 141.255.180.130	NOERROR, 9 ms, authoritative	no	yes / yes	refused	9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.16
ns2.dds.eu 136.144.233.156	NOERROR, 12 ms, authoritative	no	yes / yes	refused	9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.16
ns3.dds.amsterdam 85.158.250.40	NOERROR, 10 ms, authoritative	no	yes / yes	refused	9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.16

✓ All respond #14

All 3 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: ns1.dds.nl: "9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.16"; ns2.dds.eu: "9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.16"; ns3.dds.amsterdam: "9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.16". 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 1 · primary ns1.dds.nl

✓ Serial 1 everywhere #22

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

SOA refresh 6h, retry 1h, expire 7d, negative TTL 1h.
✓ Primary is a public nameserver #24

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

The SOA RNAME postmaster.dds.nl means postmaster@dds.nl.
✓ Counter serial #26

The serial 1 is a plain counter.

warn

Not signed

info

7 records at the apex

Type	Value	TTL
SOA	ns1.dds.nl. postmaster.dds.nl. 1 21600 3600 604800 3600	3600
NS	ns1.dds.nl.	3600
NS	ns3.dds.amsterdam.	3600
NS	ns2.dds.eu.	3600
A	81.21.136.122	3600
MX	10 mx.dds.nl.	600
TXT	"v=spf1 include:spf.dds.nl include:_spf.transip.nl include:_spf.transip.email -all"	600