inschrijven.nl

Checked 22 October 2026, 13:52 UTC · via 8.8.8.8
!Passed with warnings
29 passed 2 warnings 0 failed 2 info

Registration

info

.nl country-code

Found

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

Delegation

warn

ns1.internettoday.nl, ns2.internettoday.com, ns3.internettoday.eu

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns1.internettoday.nl, ns2.internettoday.com, ns3.internettoday.eu
NS in the zone
ns1.thednscompany.com, ns2.thednscompany.com, ns3.thednscompany.com
NameserverAddressesNetwork (AS)Glue
ns1.internettoday.nl (parent only)185.145.63.233 2a02:cc9:0:63::233AS60781 LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL AS60781 LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL-
ns1.thednscompany.com (zone only)185.145.63.233 2a02:cc9:0:63::233AS60781 LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL AS60781 LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL-
ns2.internettoday.com (parent only)37.48.115.145 2001:1af8:4700:a112:13::50AS60781 LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL AS60781 LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL-
ns2.thednscompany.com (zone only)37.48.115.145 2001:1af8:4700:a112:13::50AS60781 LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL AS60781 LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL-
ns3.internettoday.eu (parent only)149.210.192.124 2a01:7c8:aab5:5b3::1AS20857 TRANSIP-AS - Signet B.V., NL AS20857 TRANSIP-AS - Signet B.V., NL-
ns3.thednscompany.com (zone only)149.210.192.124 2a01:7c8:aab5:5b3::1AS20857 TRANSIP-AS - Signet B.V., NL AS20857 TRANSIP-AS - Signet B.V., NL-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns1.internettoday.nl, ns2.internettoday.com, ns3.internettoday.eu.
  • !
    NS sets differ
    The nameservers at the parent and in the zone should be the same. Only at the parent: ns1.internettoday.nl, ns2.internettoday.com, ns3.internettoday.eu; only in the zone: ns1.thednscompany.com, ns2.thednscompany.com, ns3.thednscompany.com. ns1.internettoday.nl, ns1.thednscompany.com, ns2.internettoday.com, ns2.thednscompany.com, ns3.internettoday.eu, ns3.thednscompany.com report NS ns1.thednscompany.com ns2.thednscompany.com ns3.thednscompany.com.
    #7
  • ✓ 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.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS20857 (TRANSIP-AS - Signet B.V., NL): 4 addresses; AS60781 (LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL): 8 addresses.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .com, .eu, .nl.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

12 of 12 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.internettoday.nl 185.145.63.233NOERROR, 10 ms, authoritativenoyes / yesrefused-
ns1.internettoday.nl 2a02:cc9:0:63::233NOERROR, 10 ms, authoritativenoyes / yesrefused-
ns1.thednscompany.com 185.145.63.233NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns1.thednscompany.com 2a02:cc9:0:63::233NOERROR, 16 ms, authoritativenoyes / yesrefused-
ns2.internettoday.com 37.48.115.145NOERROR, 10 ms, authoritativenoyes / yesrefused-
ns2.internettoday.com 2001:1af8:4700:a112:13::50NOERROR, 10 ms, authoritativenoyes / yesrefused-
ns2.thednscompany.com 37.48.115.145NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns2.thednscompany.com 2001:1af8:4700:a112:13::50NOERROR, 10 ms, authoritativenoyes / yesrefused-
ns3.internettoday.eu 149.210.192.124NOERROR, 12 ms, authoritativenoyes / yesrefused-
ns3.internettoday.eu 2a01:7c8:aab5:5b3::1NOERROR, 13 ms, authoritativenoyes / yesrefused-
ns3.thednscompany.com 149.210.192.124NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns3.thednscompany.com 2a01:7c8:aab5:5b3::1NOERROR, 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 2026101500 · primary ns1.thednscompany.com

Found

Primary (MNAME)
ns1.thednscompany.com
Contact (RNAME)
hostmaster.inschrijven.nl
Serial
2026101500
Refresh / retry
3600 s / 3600 s
Expire
1209600 s
Negative TTL
1800 s

Serial per nameserver

NameserverSerial
ns1.internettoday.nl (185.145.63.233)2026101500
ns1.internettoday.nl (2a02:cc9:0:63::233)2026101500
ns1.thednscompany.com (185.145.63.233)2026101500
ns1.thednscompany.com (2a02:cc9:0:63::233)2026101500
ns2.internettoday.com (37.48.115.145)2026101500
ns2.internettoday.com (2001:1af8:4700:a112:13::50)2026101500
ns2.thednscompany.com (37.48.115.145)2026101500
ns2.thednscompany.com (2001:1af8:4700:a112:13::50)2026101500
ns3.internettoday.eu (149.210.192.124)2026101500
ns3.internettoday.eu (2a01:7c8:aab5:5b3::1)2026101500
ns3.thednscompany.com (149.210.192.124)2026101500
ns3.thednscompany.com (2a01:7c8:aab5:5b3::1)2026101500

Checks

  • ✓ Serial 2026101500 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 ns1.thednscompany.com is one of the listed nameservers.
  • ✓ Contact hostmaster@inschrijven.nl #25
    The SOA RNAME hostmaster.inschrijven.nl means hostmaster@inschrijven.nl.
  • ✓ Date-based serial #26
    The serial 2026101500 follows the YYYYMMDDnn convention (2026-10-15).

DNSSEC

pass

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
0 iterations, 0-byte salt
Signatures valid until
5 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
1586ECDSAP256SHA256 (13)SHA256 4AE1E68332FB137E…yes

DNSKEY in the zone

Key tagRoleAlgorithm
1586KSK (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 1586 (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 as recommended #31
    The zone uses NSEC3 with 0 iterations and no salt (RFC 9276).

Records

pass

10 records at the apex

Found

Read from
185.145.63.233:53
TypeValueTTL
SOAns1.thednscompany.com. hostmaster.inschrijven.nl. 2026101500 3600 3600 1209600 18003600
NSns3.thednscompany.com.3600
NSns2.thednscompany.com.3600
NSns1.thednscompany.com.3600
A87.236.103.1253600
AAAA2a02:cc8::103:1253600
MX10 mail.inschrijven.nl.3600
TXT"v=spf1 a mx ip4:87.236.103.125 ip6:2a02:cc8:0:0:0:0:103:125 include:spamfilterserver.com -all"3600
TXT"google-site-verification=1VQwHxrAynh49G1yos3eZ1YVxMD48C5VK5vXesnIJFs"3600
CAA0 issue "sectigo.com"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, AAAA 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: sectigo.com.