aup.nl

Checked 21 October 2026, 20:45 UTC · via 8.8.8.8
✗Problems found
23 passed 2 warnings 1 failed 5 info

Registration

info

.nl country-code · Registrar.eu

Found

TLD
.nl (country-code)
ICANN policies apply
no
Registrar
Registrar.eu
Registered
25 February 1999
Last changed
2 April 2026
Status
active
Registry nameservers
ns1.dehostingfirma.eu, ns2.dehostingfirma.com, ns3.dehostingfirma.org
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.dehostingfirma.eu, ns2.dehostingfirma.com, ns3.dehostingfirma.org

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns1.dehostingfirma.eu, ns2.dehostingfirma.com, ns3.dehostingfirma.org
NS in the zone
ns1.dehostingfirma.eu, ns2.dehostingfirma.com, ns3.dehostingfirma.org
NameserverAddressesNetwork (AS)Glue
ns1.dehostingfirma.eu45.91.122.233AS39637 NETLOGICS-AS - ADES BV, NL-
ns2.dehostingfirma.com213.136.15.238 2001:7b8:661:0:213:136:15:238AS12859 NL-BIT - BIT BV, NL AS12859 NL-BIT - BIT BV, NL-
ns3.dehostingfirma.org207.148.25.234 2001:19f0:1000:17cc:5400:4ff:fe55:b628AS20473 AS-VULTR - The Constant Company, LLC, US AS20473 AS-VULTR - The Constant Company, LLC, US-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns1.dehostingfirma.eu, ns2.dehostingfirma.com, ns3.dehostingfirma.org.
  • ✓ 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 3 IPv4 /24s and 2 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS12859 (NL-BIT - BIT BV, NL): 2 addresses; AS20473 (AS-VULTR - The Constant Company, LLC, US): 2 addresses; AS39637 (NETLOGICS-AS - ADES BV, NL): 1 address.
  • ✓ Nameserver names under 3 TLDs #12
    Nameserver names use the TLDs .com, .eu, .org.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns1.dehostingfirma.eu.
    #13

Nameservers

fail

4 of 5 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.dehostingfirma.eu 45.91.122.233NOERROR, 11 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 4.9.15 (built May 11 2026 09:24:32 by root@localhost)
ns2.dehostingfirma.com 213.136.15.238NOERROR, 17 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 4.9.16 (built Jun 10 2026 13:13:37 by root@localhost)
ns2.dehostingfirma.com 2001:7b8:661:0:213:136:15:238no responsenono / no--
ns3.dehostingfirma.org 207.148.25.234NOERROR, 85 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 4.9.16 (built Jun 10 2026 13:13:37 by root@localhost)
ns3.dehostingfirma.org 2001:19f0:1000:17cc:5400:4ff:fe55:b628NOERROR, 85 ms, authoritativenoyes / yesrefusedPowerDNS Authoritative Server 4.9.16 (built Jun 10 2026 13:13:37 by root@localhost)

Checks

  • ✗
    Nameservers not responding
    These addresses did not answer, so resolvers waste time on timeouts: ns2.dehostingfirma.com (2001:7b8:661:0:213:136:15:238): read udp [2a01:4f8:1c1c:eebf::1]:50432->[2001:7b8:661:0:213:136:15:238]:53: i/o timeout.
    #14
  • ✓ 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: ns1.dehostingfirma.eu: "PowerDNS Authoritative Server 4.9.15 (built May 11 2026 09:24:32 by root@localhost)"; ns2.dehostingfirma.com: "PowerDNS Authoritative Server 4.9.16 (built Jun 10 2026 13:13:37 by root@localhost)"; ns3.dehostingfirma.org: "PowerDNS Authoritative Server 4.9.16 (built Jun 10 2026 13:13:37 by root@localhost)". 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 2026101901 · primary ns1.dehostingfirma.eu

Found

Primary (MNAME)
ns1.dehostingfirma.eu
Contact (RNAME)
hostmaster.dehostingfirma.nl
Serial
2026101901
Refresh / retry
86400 s / 3600 s
Expire
1209600 s
Negative TTL
14400 s

Serial per nameserver

NameserverSerial
ns1.dehostingfirma.eu (45.91.122.233)2026101901
ns2.dehostingfirma.com (213.136.15.238)2026101901
ns3.dehostingfirma.org (207.148.25.234)2026101901
ns3.dehostingfirma.org (2001:19f0:1000:17cc:5400:4ff:fe55:b628)2026101901

Checks

  • ✓ Serial 2026101901 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1d, retry 1h, expire 14d, negative TTL 4h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.dehostingfirma.eu is one of the listed nameservers.
  • ✓ Contact hostmaster@dehostingfirma.nl #25
    The SOA RNAME hostmaster.dehostingfirma.nl means hostmaster@dehostingfirma.nl.
  • ✓ Date-based serial #26
    The serial 2026101901 follows the YYYYMMDDnn convention (2026-10-19).

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

9 records at the apex

Found

Read from
45.91.122.233:53
TypeValueTTL
SOAns1.dehostingfirma.eu. hostmaster.dehostingfirma.nl. 2026101901 86400 3600 1209600 1440014400
NSns1.dehostingfirma.eu.600
NSns2.dehostingfirma.com.600
NSns3.dehostingfirma.org.600
A83.96.201.73600
AAAA2a02:348:5e6:1::1a00600
MX90 aup-nl.mail.protection.outlook.com.600
TXT"google-site-verification=aQZwaiXKXXOfHYSGwJf03hh1eJKSumklusGCKRc8dH8"600
TXT"v=spf1 a mx ip4:193.37.217.48/28 include:spf.dehostingfirma.nl include:servers.mcsv.net include:spf.protection.outlook.com -all"600

Checks

  • ✓ TTLs within range #32
    TTLs: A 10m, AAAA 10m, MX 10m, NS 10m. The NS TTL at the parent is 1h and in the zone 10m; 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