sterenbergsalinas.nl

Checked 22 October 2026, 16:20 UTC · via 8.8.8.8
✗Problems found
20 passed 4 warnings 1 failed 4 info

Registration

info

.nl country-code

Found

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

Delegation

warn

ns1.exactnet14.nl, ns2.exactnet.be, ns3.exactnet.eu

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns1.exactnet14.nl, ns2.exactnet.be, ns3.exactnet.eu
NS in the zone
ns1.exactnet14.nl, ns2.exactnet.be, ns3.exactnet.eu
NameserverAddressesNetwork (AS)Glue
ns1.exactnet14.nl46.182.180.88 2a04:e1c0:1::14AS21221 InfoPact-AS - Infopact Netwerkdiensten B.V., NL -46.182.180.88
ns2.exactnet.be46.17.9.69AS39591 GLOBAL-E - Previder B.V., NL-
ns3.exactnet.eu46.17.9.76AS39591 GLOBAL-E - Previder B.V., NL-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns1.exactnet14.nl, ns2.exactnet.be, ns3.exactnet.eu.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • !
    Glue differs from the zone
    The addresses at the parent (glue) differ from the addresses in the zone: ns1.exactnet14.nl (glue 46.182.180.88, zone 46.182.180.88, 2a04:e1c0:1::14). Update the glue at your registrar.
    #8
  • ✓ 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 1 IPv6 /48.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS21221 (InfoPact-AS - Infopact Netwerkdiensten B.V., NL): 1 address; AS39591 (GLOBAL-E - Previder B.V., NL): 2 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .be, .eu, .nl.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns2.exactnet.be, ns3.exactnet.eu.
    #13

Nameservers

fail

3 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.exactnet14.nl 46.182.180.88NOERROR, 13 ms, authoritativenoyes / yesrefused9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.16
ns1.exactnet14.nl 2a04:e1c0:1::14no responsenono / no--
ns2.exactnet.be 46.17.9.69NOERROR, 15 ms, authoritativenoyes / yesrefused-
ns3.exactnet.eu 46.17.9.76NOERROR, 12 ms, authoritativenoyes / yesrefused-

Checks

  • ✗
    Nameservers not responding
    These addresses did not answer, so resolvers waste time on timeouts: ns1.exactnet14.nl (2a04:e1c0:1::14): read udp [2a01:4f8:1c1c:eebf::1]:46266->[2a04:e1c0:1::14]:53: i/o timeout.
    #14
  • ✓ 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.exactnet14.nl: "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.

SOA

warn

serial 2025052000 · primary ns1.exactnet14.nl

Found

Primary (MNAME)
ns1.exactnet14.nl
Contact (RNAME)
hostmaster.sterenbergsalinas.nl
Serial
2025052000
Refresh / retry
3600 s / 3600 s
Expire
1209600 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns1.exactnet14.nl (46.182.180.88)2025052000
ns2.exactnet.be (46.17.9.69)2025052000
ns3.exactnet.eu (46.17.9.76)2025052000

Checks

  • ✓ Serial 2025052000 everywhere #22
    All nameservers serve the same version of the zone.
  • !
    Unusual SOA timers
    retry 1h should be shorter than refresh 1h. Current values: refresh 1h, retry 1h, expire 14d, negative TTL 1d.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.exactnet14.nl is one of the listed nameservers.
  • ✓ Contact hostmaster@sterenbergsalinas.nl #25
    The SOA RNAME hostmaster.sterenbergsalinas.nl means hostmaster@sterenbergsalinas.nl.
  • ✓ Date-based serial #26
    The serial 2025052000 follows the YYYYMMDDnn convention (2025-05-20).

DNSSEC

warn

Not signed

Found

Validated by resolver
no

Checks

  • !
    Not signed
    The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.
    #27

Records

info

7 records at the apex

Found

Read from
46.182.180.88:53
TypeValueTTL
SOAns1.exactnet14.nl. hostmaster.sterenbergsalinas.nl. 2025052000 3600 3600 1209600 864003600
NSns1.exactnet14.nl.3600
NSns2.exactnet.be.3600
NSns3.exactnet.eu.3600
A46.182.180.883600
MX10 antispamcluster.mijnserver.nl.3600
TXT"v=spf1 a mx ip4:46.182.180.0/24 include:spf.mijnserver.nl ~all"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 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