uaf.nl

Checked 22 October 2026, 16:41 UTC · via 8.8.8.8
!Passed with warnings
28 passed 1 warning 0 failed 4 info

Registration

info

.nl country-code

Found

TLD
.nl (country-code)
ICANN policies apply
no
Lookup error: https://rdap.sidn.nl/domain/uaf.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/uaf.nl returned HTTP 429
    #3

Delegation

pass

ns.internlnet.nl, ns3.internl.net, ns4.internl.net

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns.internlnet.nl, ns3.internl.net, ns4.internl.net
NS in the zone
ns.internlnet.nl, ns3.internl.net, ns4.internl.net
NameserverAddressesNetwork (AS)Glue
ns.internlnet.nl31.3.105.132 2a03:7900:105:31:3:105:138:1AS197731 TUXIS - The Internet Engineering Group B.V., NL AS197731 TUXIS - The Internet Engineering Group B.V., NL-
ns3.internl.net77.95.248.203 2a00:1478:20:6:4:862:0:1AS43190 GL-IX-AS - Totaalnet Internet Works B.V., NL AS43190 GL-IX-AS - Totaalnet Internet Works B.V., NL-
ns4.internl.net85.119.243.17 2a00:e760:100:0:f:1247:0:1AS8368 DSTNY-BACKBONE - Dstny BE N.V., BE AS8368 DSTNY-BACKBONE - Dstny BE N.V., BE-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns.internlnet.nl, ns3.internl.net, ns4.internl.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.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS197731 (TUXIS - The Internet Engineering Group B.V., NL): 2 addresses; AS43190 (GL-IX-AS - Totaalnet Internet Works B.V., NL): 2 addresses; AS8368 (DSTNY-BACKBONE - Dstny BE N.V., BE): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .net, .nl.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns.internlnet.nl 31.3.105.132NOERROR, 11 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns.internlnet.nl 2a03:7900:105:31:3:105:138:1NOERROR, 11 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns3.internl.net 77.95.248.203NOERROR, 11 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns3.internl.net 2a00:1478:20:6:4:862:0:1NOERROR, 11 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns4.internl.net 85.119.243.17NOERROR, 11 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns4.internl.net 2a00:e760:100:0:f:1247:0:1NOERROR, 14 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/

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.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: ns.internlnet.nl: "Served by PowerDNS - https://www.powerdns.com/"; ns3.internl.net: "Served by PowerDNS - https://www.powerdns.com/"; ns4.internl.net: "Served by PowerDNS - https://www.powerdns.com/".
    #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 2026101504 · primary ns.internlnet.nl

Found

Primary (MNAME)
ns.internlnet.nl
Contact (RNAME)
postmaster.server.eu
Serial
2026101504
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns.internlnet.nl (31.3.105.132)2026101504
ns.internlnet.nl (2a03:7900:105:31:3:105:138:1)2026101504
ns3.internl.net (77.95.248.203)2026101504
ns3.internl.net (2a00:1478:20:6:4:862:0:1)2026101504
ns4.internl.net (85.119.243.17)2026101504
ns4.internl.net (2a00:e760:100:0:f:1247:0:1)2026101504

Checks

  • ✓ Serial 2026101504 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 2h, expire 7d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns.internlnet.nl is one of the listed nameservers.
  • ✓ Contact postmaster@server.eu #25
    The SOA RNAME postmaster.server.eu means postmaster@server.eu.
  • ✓ Date-based serial #26
    The serial 2026101504 follows the YYYYMMDDnn convention (2026-10-15).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
1 iterations, 1-byte salt
Signatures valid until
5 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
45117ECDSAP256SHA256 (13)SHA256 4E50A05277134E12…yes

DNSKEY in the zone

Key tagRoleAlgorithm
45117KSK (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 45117 (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 with extra iterations or salt
    NSEC3 uses 1 iteration and a 1-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

15 records at the apex

Found

Read from
31.3.105.132:53
TypeValueTTL
SOAns.internlnet.nl. postmaster.server.eu. 2026101504 28800 7200 604800 36003600
NSns3.internl.net.3600
NSns4.internl.net.3600
NSns.internlnet.nl.3600
A46.224.150.573600
MX0 uaf-nl.c-v1.mx.microsoft.2156
TXT"v=spf1 a include:_spf.createsend.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf.mailjet.com ip4:87.255.56.201 ip4:94.124.139.5 ip4:84.38.231.0/24 ip4:185.85.17.14 ip4:85.255.209.68 -all"3600
TXT"facebook-domain-verification=km0drckcs5r02xan669e0sv4jl6ipu"3600
TXT"brevo-code:b3541c5bd2ff158ba01091d0ff882202"3600
TXT"00D7R000004OiaV=1TBR600000002OP"3600
TXT"MS=ms93727710"3600
TXT"linkedin-site-verification=20c29424-658f-417a-9e94-12370bc19579"3600
TXT"adobe-idp-site-verification=598b10516fa49629dc46f015f9c13c80134e3795d236b744d6a1c4bc3bcc447a"3600
TXT"atlassian-domain-verification=spuXu49PT3Ta8Xio+Xnmsw+Y8EBZe9TGpGwwM7v6loPL3z+1WwJ6YC9XeLiySms3"3600
TXT"google-site-verification=2gJAcrqTInYe_W7avCQSl67Ij2mvw0JgRYhsDs_vAJM"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, MX 35m56s, 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