skal.nl

Checked 22 October 2026, 15:51 UTC · via 8.8.8.8
!Passed with warnings
20 passed 1 warning 0 failed 8 info

Registration

info

.nl country-code

Found

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

Delegation

info

pns31.cloudns.net, pns32.cloudns.net, pns33.cloudns.net, pns34.cloudns.net

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
pns31.cloudns.net, pns32.cloudns.net, pns33.cloudns.net, pns34.cloudns.net
NS in the zone
pns31.cloudns.net, pns32.cloudns.net, pns33.cloudns.net, pns34.cloudns.net
NameserverAddressesNetwork (AS)Glue
pns31.cloudns.net185.136.96.66 2a06:fb00:1::1:66AS203391 CLOUDNSNET - Cloud DNS Ltd, BG AS203391 CLOUDNSNET - Cloud DNS Ltd, BG-
pns32.cloudns.net185.136.97.66 2a06:fb00:1::2:66AS203391 CLOUDNSNET - Cloud DNS Ltd, BG AS203391 CLOUDNSNET - Cloud DNS Ltd, BG-
pns33.cloudns.net185.136.98.66 2a06:fb00:1::3:66AS203391 CLOUDNSNET - Cloud DNS Ltd, BG AS203391 CLOUDNSNET - Cloud DNS Ltd, BG-
pns34.cloudns.net185.136.99.66 2a06:fb00:1::4:66AS203391 CLOUDNSNET - Cloud DNS Ltd, BG AS203391 CLOUDNSNET - Cloud DNS Ltd, BG-

Checks

  • ✓ 4 nameservers #6
    Delegated to pns31.cloudns.net, pns32.cloudns.net, pns33.cloudns.net, pns34.cloudns.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.
  • i
    One address family in one network
    all IPv6 addresses are in 2a06:fb00:1::/48, while the other address family is spread over several networks.
    #10
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS203391 (CLOUDNSNET - Cloud DNS Ltd, BG): 8 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 .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

info

8 of 8 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
pns31.cloudns.net 185.136.96.66NOERROR, 4 ms, authoritativenoyes / yesrefusedde3-1
pns31.cloudns.net 2a06:fb00:1::1:66NOERROR, 8 ms, authoritativenoyes / yesrefusedde3-1
pns32.cloudns.net 185.136.97.66NOERROR, 3 ms, authoritativenoyes / yesrefusedde3-1
pns32.cloudns.net 2a06:fb00:1::2:66NOERROR, 8 ms, authoritativenoyes / yesrefusedde3-1
pns33.cloudns.net 185.136.98.66NOERROR, 4 ms, authoritativenoyes / yesrefusedde3-1
pns33.cloudns.net 2a06:fb00:1::3:66NOERROR, 8 ms, authoritativenoyes / yesrefusedde3-1
pns34.cloudns.net 185.136.99.66NOERROR, 4 ms, authoritativenoyes / yesrefusedde3-1
pns34.cloudns.net 2a06:fb00:1::4:66NOERROR, 8 ms, authoritativenoyes / yesrefusedde3-1

Checks

  • ✓ All respond #14
    All 8 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: pns31.cloudns.net: "de3-1"; pns32.cloudns.net: "de3-1"; pns33.cloudns.net: "de3-1"; pns34.cloudns.net: "de3-1".
    #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

info

serial 2026101904 · primary ns31.cloudns.net

Found

Primary (MNAME)
ns31.cloudns.net
Contact (RNAME)
support.cloudns.net
Serial
2026101904
Refresh / retry
7200 s / 1800 s
Expire
1209600 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
pns31.cloudns.net (185.136.96.66)2026101904
pns31.cloudns.net (2a06:fb00:1::1:66)2026101904
pns32.cloudns.net (185.136.97.66)2026101904
pns32.cloudns.net (2a06:fb00:1::2:66)2026101904
pns33.cloudns.net (185.136.98.66)2026101904
pns33.cloudns.net (2a06:fb00:1::3:66)2026101904
pns34.cloudns.net (185.136.99.66)2026101904
pns34.cloudns.net (2a06:fb00:1::4:66)2026101904

Checks

  • ✓ Serial 2026101904 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 2h, retry 30m, expire 14d, negative TTL 1h.
  • i
    Hidden master
    The primary nameserver ns31.cloudns.net is not listed as a nameserver: a hidden master that only feeds the public secondaries. That is a common setup; make sure it is not reachable for zone transfers from outside.
    #24
  • ✓ Contact support@cloudns.net #25
    The SOA RNAME support.cloudns.net means support@cloudns.net.
  • ✓ Date-based serial #26
    The serial 2026101904 follows the YYYYMMDDnn convention (2026-10-19).

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

17 records at the apex

Found

Read from
185.136.96.66:53
TypeValueTTL
SOAns31.cloudns.net. support.cloudns.net. 2026101904 7200 1800 1209600 36003600
NSpns33.cloudns.net.3600
NSpns34.cloudns.net.3600
NSpns32.cloudns.net.3600
NSpns31.cloudns.net.3600
A108.143.215.108300
MX10 skal-nl.mail.protection.outlook.com.3600
TXT"DomainVerification=29WCSOP9VCUVL0ZO6JXQMN23YBEQ6HK3I090XEW3FKBKOCFTJYV9EZDNXCNZQCA6"3600
TXT"MIZmNbL3QqT9vBumP1kzQem5BXskAlG25ZNpOX6CuJTtytAlT/aqiz7RHBf6JM0lwdMpvfQmgzEHN+vjJo8WTQ=="3600
TXT"v=spf1 include:_spf.zivver.com include:lms.plusport.com ip4:82.204.43.40 ip4:37.153.238.193/30 ip4:185.156.208.136 ip4:193.75.92.155 ip4:193.75.92.156 ip4:91.123.56.240 ip4:91.123.56.241 include:spf.crowdtech.com include:spf.protection.outlook.com include" ":spf.exclaimer.net include:_spf.eu.mailgun.org include:_spf.relay.sdworx.com include:_spf.cobytes.email include:spf.site4all.nl ~all"3600
TXT"095ba750953a36048cc1e45a0c4ae180"3600
TXT"atlassian-domain-verification=66n56YnECVNZK68hz8PT625UUMYJxmZ7/eClsDU0hQGLgMqIaMGseiENPJXPZum5"3600
TXT"nordpass-domain-verification=2b2da520d990cb7aeb081a9d0c772afd431142416e53f946eb42413785d139e7"3600
TXT"apple-domain-verification=kDk8HiwvKOp3cdSU"3600
TXT"MS=ms11241955"3600
TXT"DomainVerification=H64VNCH4VS1I761EJ8BLQKCSNKOEOV4ORGS9PEPYH7AMWBP8RTJZ1YF0H3P1TPQA"3600
TXT"nordpass-domain-verification=2da7ef461e6f2cc5f367fd899a90ea3e0803b98a7fe242baba4f577c5a70538d"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, 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