tvm.nl

Checked 22 October 2026, 16:41 UTC · via 8.8.8.8
iAll checks passed
25 passed 0 warnings 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/tvm.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/tvm.nl returned HTTP 429
    #3

Delegation

info

ns13.kpn.net, ns3.kpn.net

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns13.kpn.net, ns3.kpn.net
NS in the zone
ns13.kpn.net, ns3.kpn.net
NameserverAddressesNetwork (AS)Glue
ns13.kpn.net213.75.63.34 2a02:a47f:ac:1::1353AS1136 KPN - KPN B.V., NL AS1136 KPN - KPN B.V., NL-
ns3.kpn.net194.151.228.42 2a02:a47f:ac:1::353AS1136 KPN - KPN B.V., NL AS1136 KPN - KPN B.V., NL-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns13.kpn.net, ns3.kpn.net.
    #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.
  • i
    One address family in one network
    all IPv6 addresses are in 2a02:a47f:ac::/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 (AS1136 (KPN - KPN 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
  • 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

pass

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns13.kpn.net 213.75.63.34NOERROR, 12 ms, authoritativenoyes / yesrefused-
ns13.kpn.net 2a02:a47f:ac:1::1353NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns3.kpn.net 194.151.228.42NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns3.kpn.net 2a02:a47f:ac:1::353NOERROR, 10 ms, authoritativenoyes / yesrefused-

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.
  • ✓ 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

pass

serial 2026102201 · primary ns3.kpn.net

Found

Primary (MNAME)
ns3.kpn.net
Contact (RNAME)
zonemaster.kpn.com
Serial
2026102201
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns13.kpn.net (213.75.63.34)2026102201
ns13.kpn.net (2a02:a47f:ac:1::1353)2026102201
ns3.kpn.net (194.151.228.42)2026102201
ns3.kpn.net (2a02:a47f:ac:1::353)2026102201

Checks

  • ✓ Serial 2026102201 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 2h, expire 7d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns3.kpn.net is one of the listed nameservers.
  • ✓ Contact zonemaster@kpn.com #25
    The SOA RNAME zonemaster.kpn.com means zonemaster@kpn.com.
  • ✓ Date-based serial #26
    The serial 2026102201 follows the YYYYMMDDnn convention (2026-10-22).

DNSSEC

info

Signed, DS published at parent

Found

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

DS at the parent

Key tagAlgorithmDigestMatches a key
53042ECDSAP256SHA256 (13)SHA256 88DF0FDB748F0772…yes

DNSKEY in the zone

Key tagRoleAlgorithm
53042KSK (257)ECDSAP256SHA256 (13)
13387ZSK (256)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 53042 (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.
  • 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

15 records at the apex

Found

Read from
213.75.63.34:53
TypeValueTTL
SOAns3.kpn.net. zonemaster.kpn.com. 2026102201 28800 7200 604800 864003600
NSns13.kpn.net.3600
NSns3.kpn.net.3600
A93.119.4.1813600
AAAA2a01:7c8:bb0c:24e:5054:ff:fea5:727b3600
MX10 tvm-nl.mail.protection.outlook.com.300
TXT"d89dbf7993a30ba80cbba5053fb5864f42791ef977b7805115824c2b993d311c"3600
TXT"brevo-code:0f36ecf760df2757f27f67b143dcda43"3600
TXT"atlassian-domain-verification=aN7hCZrg/OFxaH9kZePGMuH89g1qKoz8mBk8LgdNG9ySWOA5O0XuJku118PxFjWl"3600
TXT"v=spf1 include:spf.protection.outlook.com include:_senderspf.copernica.com include:sendgrid.net include:spf.mailjet.com ip4:149.72.68.58 ip4:195.143.27.130 ip4:195.21.55.228 ip4:213.251.14.85 ip4:92.70.151.84 ip4:193.173.37.132 ip4:193.58.8.19 a mx -all"3600
TXT"kntFvFfnd/MmNg7rzmlildkRHN8Zkvisp5gXCqCdfiYXp8cZnDGFDgUUOR0fPOyqszwcqIsacp7IJASVRYH0ow=="3600
TXT"ckKwhZEfOGmr/QpLU2xnB6DLO3kPb2zNgNWFdcwRnJg2wl2my0fq0Y/V3VyijqiwBHXo4jAjRTWi6S87piTWcA=="3600
TXT"MS=ms38125992"3600
TXT"DomainVerification=N1X9719WHGIVNA7YT0B8WM26HMADRC5HQUTAPCEOX99BG3RC21SIYWE0KLYQJ9CN"3600
TXT"MS=ms10191810"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, AAAA 1h, MX 5m, 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