wisenederland.nl

Checked 22 October 2026, 17:20 UTC · via 8.8.8.8
!Passed with warnings
24 passed 2 warnings 0 failed 7 info

Registration

info

.nl country-code

Found

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

Delegation

warn

dans01.laylo.nl, dans02.laylo.io

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
dans01.laylo.nl, dans02.laylo.io
NS in the zone
dans01.laylo.nl, dans02.laylo.io
NameserverAddressesNetwork (AS)Glue
dans01.laylo.nl80.79.5.44 2a00:7c80:0:75::2AS49981 WorldStream - WorldStream B.V., NL AS49981 WorldStream - WorldStream B.V., NL-
dans02.laylo.io80.79.5.44 2a00:7c80:0:75::2AS49981 WorldStream - WorldStream B.V., NL AS49981 WorldStream - WorldStream B.V., NL-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: dans01.laylo.nl, dans02.laylo.io.
    #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 one network
    all IPv4 addresses are in 80.79.5.0/24; all IPv6 addresses are in 2a00:7c80::/48. A single network failure takes all nameservers down; RFC 2182 recommends topologically separate networks (anycast setups are an exception).
    #10
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS49981 (WorldStream - WorldStream B.V., NL): 4 addresses). An outage or attack on that network affects all nameservers; large anycast providers mitigate this, but a secondary DNS provider adds independence.
    #11
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .io, .nl.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
dans01.laylo.nl 80.79.5.44NOERROR, 12 ms, authoritativenoyes / yesrefusedLAYLO DANS
dans01.laylo.nl 2a00:7c80:0:75::2NOERROR, 11 ms, authoritativenoyes / yesrefusedLAYLO DANS
dans02.laylo.io 80.79.5.44NOERROR, 11 ms, authoritativenoyes / yesrefusedLAYLO DANS
dans02.laylo.io 2a00:7c80:0:75::2NOERROR, 11 ms, authoritativenoyes / yesrefusedLAYLO DANS

Checks

  • ✓ All respond #14
    All 4 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: dans01.laylo.nl: "LAYLO DANS"; dans02.laylo.io: "LAYLO DANS".
    #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 2026100812 · primary dans01.laylo.nl

Found

Primary (MNAME)
dans01.laylo.nl
Contact (RNAME)
office.laylo.io
Serial
2026100812
Refresh / retry
3600 s / 3600 s
Expire
1209600 s
Negative TTL
1800 s

Serial per nameserver

NameserverSerial
dans01.laylo.nl (80.79.5.44)2026100812
dans01.laylo.nl (2a00:7c80:0:75::2)2026100812
dans02.laylo.io (80.79.5.44)2026100812
dans02.laylo.io (2a00:7c80:0:75::2)2026100812

Checks

  • ✓ Serial 2026100812 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 30m.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver dans01.laylo.nl is one of the listed nameservers.
  • ✓ Contact office@laylo.io #25
    The SOA RNAME office.laylo.io means office@laylo.io.
  • ✓ Date-based serial #26
    The serial 2026100812 follows the YYYYMMDDnn convention (2026-10-08).

DNSSEC

info

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC
Signatures valid until
12 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
50629RSASHA256 (8)SHA256 E78C8027DF2308AD…yes

DNSKEY in the zone

Key tagRoleAlgorithm
50629KSK (257)RSASHA256 (8)
123ZSK (256)RSASHA256 (8)

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 50629 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: RSASHA256 (8).
  • ✓ Signatures valid until 2026-11-12 #30
    The earliest DNSKEY/SOA signature expires at 2026-11-12 00:29 UTC.
  • i
    NSEC
    The zone uses NSEC, so its full contents can be listed by walking the NSEC chain. That is fine unless the names are sensitive.
    #31

Records

info

9 records at the apex

Found

Read from
80.79.5.44:53
TypeValueTTL
SOAdans01.laylo.nl. office.laylo.io. 2026100812 3600 3600 1209600 18003600
NSdans01.laylo.nl.3600
NSdans02.laylo.io.3600
A80.79.5.44300
AAAA2a00:7c80:0:75::2300
MX0 wisenederland-nl.mail.protection.outlook.com.3600
TXT"google-site-verification=Ee6AnbTQSurhVMp9vTKIroGdJCd_FAtqYH8A7hmSAx4"3600
TXT"MS=ms75185382"3600
TXT"v=spf1 a mx ip4:46.23.84.120 ip6:2a03:6000:1337::120 include:_spf.laylocdn.nl include:spf.emailsys.net include:servers.mcsv.net include:spf.protectio" "n.outlook.com -all"3600

Checks

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