gvb.nl

Checked 21 October 2026, 21:21 UTC · via 8.8.8.8
!Passed with warnings
25 passed 2 warnings 0 failed 4 info

Registration

info

.nl country-code · Hostnet B.V.

Found

TLD
.nl (country-code)
ICANN policies apply
no
Registrar
Hostnet B.V.
Registered
10 June 1993
Last changed
8 July 2023
Status
active
Registry nameservers
ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info
RDAP server
https://rdap.sidn.nl/

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
    Expiry date not published
    The registry does not publish the expiry date in RDAP. Check it with your registrar.
    #3
  • i
    No transfer lock
    The domain has no transfer lock (status: active). A registrar lock protects against unauthorized transfers.
    #4
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

info

ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info
NS in the zone
ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info
NameserverAddressesNetwork (AS)Glue
ns1-03.azure-dns.com13.107.236.3 2603:1061:0:700::3AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US-
ns2-03.azure-dns.net150.171.21.3 2620:1ec:8ec:700::3AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US-
ns3-03.azure-dns.org204.14.183.3 2a01:111:4000:700::3AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US-
ns4-03.azure-dns.info208.84.5.3 2620:1ec:bda:700::3AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US-

Checks

  • ✓ 4 nameservers #6
    Delegated to ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info.
  • ✓ 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 different networks #10
    The nameservers are spread over 4 IPv4 /24s and 4 IPv6 /48s.
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS8075 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US): 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
  • ✓ Nameserver names under 4 TLDs #12
    Nameserver names use the TLDs .com, .info, .net, .org.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

warn

8 of 8 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1-03.azure-dns.com 13.107.236.3NOERROR, 5 ms, authoritativenoyes / yesrefused-
ns1-03.azure-dns.com 2603:1061:0:700::3NOERROR, 5 ms, authoritativenoyes / yesrefused-
ns2-03.azure-dns.net 150.171.21.3NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns2-03.azure-dns.net 2620:1ec:8ec:700::3NOERROR, 5 ms, authoritativenoyes / yesrefused-
ns3-03.azure-dns.org 204.14.183.3NOERROR, 5 ms, authoritativenoyes / yesrefused-
ns3-03.azure-dns.org 2a01:111:4000:700::3NOERROR, 5 ms, authoritativenoyes / yesrefused-
ns4-03.azure-dns.info 208.84.5.3NOERROR, 5 ms, authoritativenoyes / yesrefusedKnot DNS 3.1.2.1770717641.d6b376aff
ns4-03.azure-dns.info 2620:1ec:bda:700::3NOERROR, 5 ms, authoritativenoyes / yesrefused-

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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: ns4-03.azure-dns.info: "Knot DNS 3.1.2.1770717641.d6b376aff". Hide or replace the version string.
    #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

pass

serial 1 · primary ns1-03.azure-dns.com

Found

Primary (MNAME)
ns1-03.azure-dns.com
Contact (RNAME)
azuredns-hostmaster.microsoft.com
Serial
1
Refresh / retry
3600 s / 300 s
Expire
2419200 s
Negative TTL
300 s

Serial per nameserver

NameserverSerial
ns1-03.azure-dns.com (13.107.236.3)1
ns1-03.azure-dns.com (2603:1061:0:700::3)1
ns2-03.azure-dns.net (150.171.21.3)1
ns2-03.azure-dns.net (2620:1ec:8ec:700::3)1
ns3-03.azure-dns.org (204.14.183.3)1
ns3-03.azure-dns.org (2a01:111:4000:700::3)1
ns4-03.azure-dns.info (208.84.5.3)1
ns4-03.azure-dns.info (2620:1ec:bda:700::3)1

Checks

  • ✓ Serial 1 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1h, retry 5m, expire 28d, negative TTL 5m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1-03.azure-dns.com is one of the listed nameservers.
  • ✓ Contact azuredns-hostmaster@microsoft.com #25
    The SOA RNAME azuredns-hostmaster.microsoft.com means azuredns-hostmaster@microsoft.com.
  • ✓ Counter serial #26
    The serial 1 is a plain counter.

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

pass

26 records at the apex

Found

Read from
13.107.236.3:53
TypeValueTTL
SOAns1-03.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 3003600
NSns1-03.azure-dns.com.172800
NSns2-03.azure-dns.net.172800
NSns3-03.azure-dns.org.172800
NSns4-03.azure-dns.info.172800
A150.171.109.1013600
AAAA2603:1061:14:63::13600
MX0 gvb-nl.r-v1.mx.microsoft.3600
TXT"apple-domain-verification=RKCWIKyJRg4t3EtY"10
TXT"adobe-idp-site-verification=c9f71df5f97005028d4754d849a5b6a925cadbd1ee41f58a068388bd819a68aa"10
TXT"v=spf1 ip4:185.163.189.32 ip4:193.161.150.56 ip4:83.96.254.7 ip4:217.19.238.48/29 ip4:185.47.224.26 ip4:185.103.19.109 ip4:185.103.19.108 ip4:35.214.208.81 ip4:35.214.213.218 ip4:35.214.183.81 ip4:35.214.212.238 include:spf.protection.outlook.com include:" "_spf.twikey.com include:mailplus.nl include:_spf.psm.knowbe4.com include:spf.topdesk.net include:spf.avetica.net ip4:20.16.106.125 -all"10
TXT"MJHFnGZ05obrmWgjkyB6j/Qn5k5qNn2ICZAyXbPZlUcEJ44i7DTFsrRrZvv1XXRm7Ez8ibovPt3Pxm7CTlPxVA=="10
TXT"65dd4cb85bc9094682068f5478edf7df927228bcb1d6b5cfddcf1a07d51fdcd2"10
TXT"msfpkey=1p77cje5fu7338q3ehq5wsrla"10
TXT"successfactors-site-verification=ZTQyOWViNGRkZTExNGE4NDVkNGE1YzA0NThmZWJkMGMyMzU1MGZkYTE4ZmNmZGUzZDNiNWRlMzEwZjk1M2IwZA=="10
TXT"_globalsign-domain-verification=hyUjhdW7KBn2oCr3P_eaGKPNYL2R-eMRGWyoRHAS9H"10
TXT"bw=I6WhB3oDTKkXEMNiZrRd91PuJ0lqM4JAW1xDXzzRKzIJ"10
TXT"d365mktkey=KWmEAl7cBAa7RHsMCfvxdPxhICBWe9QA7Axkeafxtrcx"10
TXT"atlassian-domain-verification=1RWyyJKWez3pinpnhyDdWtW/4k6465K8nNh10pozyNrLo6zDFQwkytir0iVgYlH/"10
TXT"_globalsign-domain-verification=bb-aygATbzgTJDSDJbwxx7Eo9ET3axYZEWpB11oI8x"10
CAA0 issue "amazon.com"3600
CAA0 issue "www.digicert.com"3600
CAA0 issue "globalsign.com"3600
CAA0 issue "letsencrypt.org"3600
CAA0 issue "sectigo.com"3600
CAA0 iodef "mailto:gvb_systeembeheer@ogd.nl"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, AAAA 1h, MX 1h, NS 2d. The NS TTL at the parent is 1h and in the zone 2d; 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: amazon.com, www.digicert.com, globalsign.com, letsencrypt.org, sectigo.com.