wos.nl

Checked 22 October 2026, 17:20 UTC · via 8.8.8.8
!Passed with warnings
23 passed 3 warnings 0 failed 3 info

Registration

info

.nl country-code

Found

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

Delegation

warn

ns0.wos.nl, ns1.he.net, ns4.he.net

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns0.wos.nl, ns1.he.net, ns4.he.net
NS in the zone
ns0.wos.nl, ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net, ns5.he.net
NameserverAddressesNetwork (AS)Glue
ns0.wos.nl62.45.47.34 2001:470:7b2f:8760::34AS15435 KABELFOON - DELTA Fiber Nederland B.V., NL AS6939 HURRICANE - Hurricane Electric LLC, US62.45.47.34 2001:470:7b2f:8760::34
ns1.he.net216.218.130.2 2001:470:100::2AS6939 HURRICANE - Hurricane Electric LLC, US AS6939 HURRICANE - Hurricane Electric LLC, US-
ns2.he.net (zone only)216.218.131.2 2001:470:200::2AS6939 HURRICANE - Hurricane Electric LLC, US AS6939 HURRICANE - Hurricane Electric LLC, US-
ns3.he.net (zone only)216.218.132.2 2001:470:300::2AS6939 HURRICANE - Hurricane Electric LLC, US AS6939 HURRICANE - Hurricane Electric LLC, US-
ns4.he.net216.66.1.2 2001:470:400::2AS6939 HURRICANE - Hurricane Electric LLC, US AS6939 HURRICANE - Hurricane Electric LLC, US-
ns5.he.net (zone only)216.66.80.18 2001:470:500::2AS6939 HURRICANE - Hurricane Electric LLC, US AS6939 HURRICANE - Hurricane Electric LLC, US-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns0.wos.nl, ns1.he.net, ns4.he.net.
  • !
    NS sets differ
    The nameservers at the parent and in the zone should be the same. Only in the zone: ns2.he.net, ns3.he.net, ns5.he.net. ns0.wos.nl, ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net, ns5.he.net report NS ns0.wos.nl ns1.he.net ns2.he.net ns3.he.net ns4.he.net ns5.he.net.
    #7
  • ✓ Glue present and correct #8
    Glue is published for the nameservers inside the zone: ns0.wos.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 6 IPv4 /24s and 6 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS15435 (KABELFOON - DELTA Fiber Nederland B.V., NL): 1 address; AS6939 (HURRICANE - Hurricane Electric LLC, US): 11 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

pass

12 of 12 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns0.wos.nl 62.45.47.34NOERROR, 13 ms, authoritativenoyes / yesrefused-
ns0.wos.nl 2001:470:7b2f:8760::34NOERROR, 30 ms, authoritativenoyes / yesrefused-
ns1.he.net 216.218.130.2NOERROR, 31 ms, authoritativenoyes / yesrefused-
ns1.he.net 2001:470:100::2NOERROR, 31 ms, authoritativenoyes / yesrefused-
ns2.he.net 216.218.131.2NOERROR, 31 ms, authoritativenoyes / yesrefused-
ns2.he.net 2001:470:200::2NOERROR, 12 ms, authoritativenoyes / yesrefused-
ns3.he.net 216.218.132.2NOERROR, 30 ms, authoritativenoyes / yesrefused-
ns3.he.net 2001:470:300::2NOERROR, 31 ms, authoritativenoyes / yesrefused-
ns4.he.net 216.66.1.2NOERROR, 32 ms, authoritativenoyes / yesrefused-
ns4.he.net 2001:470:400::2NOERROR, 31 ms, authoritativenoyes / yesrefused-
ns5.he.net 216.66.80.18NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns5.he.net 2001:470:500::2NOERROR, 11 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 12 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.
  • ✓ No version disclosed #17
    The nameservers don't reveal their software version.
  • ✓ 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 2026102101 · primary ns0.wos.nl

Found

Primary (MNAME)
ns0.wos.nl
Contact (RNAME)
hostmaster.wos.nl
Serial
2026102101
Refresh / retry
3600 s / 3600 s
Expire
2419200 s
Negative TTL
1800 s

Serial per nameserver

NameserverSerial
ns0.wos.nl (62.45.47.34)2026102101
ns0.wos.nl (2001:470:7b2f:8760::34)2026102101
ns1.he.net (216.218.130.2)2026102101
ns1.he.net (2001:470:100::2)2026102101
ns2.he.net (216.218.131.2)2026102101
ns2.he.net (2001:470:200::2)2026102101
ns3.he.net (216.218.132.2)2026102101
ns3.he.net (2001:470:300::2)2026102101
ns4.he.net (216.66.1.2)2026102101
ns4.he.net (2001:470:400::2)2026102101
ns5.he.net (216.66.80.18)2026102101
ns5.he.net (2001:470:500::2)2026102101

Checks

  • ✓ Serial 2026102101 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 28d, negative TTL 30m.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns0.wos.nl is one of the listed nameservers.
  • ✓ Contact hostmaster@wos.nl #25
    The SOA RNAME hostmaster.wos.nl means hostmaster@wos.nl.
  • ✓ Date-based serial #26
    The serial 2026102101 follows the YYYYMMDDnn convention (2026-10-21).

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

13 records at the apex

Found

Read from
62.45.47.34:53
TypeValueTTL
SOAns0.wos.nl. hostmaster.wos.nl. 2026102101 3600 3600 2419200 180014400
NSns0.wos.nl.14400
NSns1.he.net.14400
NSns4.he.net.14400
NSns3.he.net.14400
NSns2.he.net.14400
NSns5.he.net.14400
A185.173.20.192300
AAAA2a0b:3100:20::8f300
MX20 mx20.wos.nl.14400
MX10 mx10.wos.nl.14400
TXT"v=spf1 mx ip4:217.102.255.0/24 ip4:62.45.45.0/24 ip4:62.45.47.0/24 ip6:2001:470:d3d1::/48 ip6:2001:470:7962::/48 ip6:2001:470:1f15:91a::/64 ip6:2001:470:7b2f:8760::/64 ~all"14400
TXT"google-site-verification=oNb4_UBnQpIkMhl3KL6IFeevYZZOIL4R96c4fvw2Vys"14400

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, AAAA 5m, MX 4h, NS 4h. The NS TTL at the parent is 1h and in the zone 4h; resolvers may use either.
  • ✓ 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