elektor.de

Checked 21 October 2026, 22:18 UTC · via 8.8.8.8
!Passed with warnings
29 passed 1 warning 0 failed 2 info

Registration

info

.de country-code

Found

TLD
.de (country-code)
ICANN policies apply
no

Checks

  • i
    .de 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
    .de is delegated in the root zone and DNSSEC-signed.
  • i
    Registration data not available
    No registration data via RDAP: the registry of .de offers no RDAP service. Many ccTLD registries don't offer RDAP; check the registry's WHOIS instead.
    #3

Delegation

pass

ns1.oxilion.nl, ns2.oxilion.nl, ns3.oxilion.net

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns1.oxilion.nl, ns2.oxilion.nl, ns3.oxilion.net
NS in the zone
ns1.oxilion.nl, ns2.oxilion.nl, ns3.oxilion.net
NameserverAddressesNetwork (AS)Glue
ns1.oxilion.nl93.186.179.180 2a00:d10::53:1AS20559 FUNDAMENTS-AS - Fundaments B.V., NL AS20559 FUNDAMENTS-AS - Fundaments B.V., NL-
ns2.oxilion.nl93.186.184.50 2a00:d10:3::53:2AS20559 FUNDAMENTS-AS - Fundaments B.V., NL AS20559 FUNDAMENTS-AS - Fundaments B.V., NL-
ns3.oxilion.net213.206.97.203 2001:898:2000:1000::5AS15879 KPN-INTERNEDSERVICES - Vancis IP B.V., NL AS15879 KPN-INTERNEDSERVICES - Vancis IP B.V., NL-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns1.oxilion.nl, ns2.oxilion.nl, ns3.oxilion.net.
  • ✓ 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 3 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS15879 (KPN-INTERNEDSERVICES - Vancis IP B.V., NL): 2 addresses; AS20559 (FUNDAMENTS-AS - Fundaments B.V., NL): 4 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

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.oxilion.nl 93.186.179.180NOERROR, 14 ms, authoritativenoyes / yesrefused-
ns1.oxilion.nl 2a00:d10::53:1NOERROR, 14 ms, authoritativenoyes / yesrefused-
ns2.oxilion.nl 93.186.184.50NOERROR, 10 ms, authoritativenoyes / yesrefused-
ns2.oxilion.nl 2a00:d10:3::53:2NOERROR, 10 ms, authoritativenoyes / yesrefused-
ns3.oxilion.net 213.206.97.203NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns3.oxilion.net 2001:898:2000:1000::5NOERROR, 11 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 6 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 2022122002 · primary ns1.oxilion.nl

Found

Primary (MNAME)
ns1.oxilion.nl
Contact (RNAME)
postmaster.oxilion.nl
Serial
2022122002
Refresh / retry
86400 s / 3600 s
Expire
604800 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns1.oxilion.nl (93.186.179.180)2022122002
ns1.oxilion.nl (2a00:d10::53:1)2022122002
ns2.oxilion.nl (93.186.184.50)2022122002
ns2.oxilion.nl (2a00:d10:3::53:2)2022122002
ns3.oxilion.net (213.206.97.203)2022122002
ns3.oxilion.net (2001:898:2000:1000::5)2022122002

Checks

  • ✓ Serial 2022122002 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1d, retry 1h, expire 7d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.oxilion.nl is one of the listed nameservers.
  • ✓ Contact postmaster@oxilion.nl #25
    The SOA RNAME postmaster.oxilion.nl means postmaster@oxilion.nl.
  • ✓ Date-based serial #26
    The serial 2022122002 follows the YYYYMMDDnn convention (2022-12-20).

DNSSEC

warn

Signed, but no DS at parent

Found

Validated by resolver
no
Denial of existence
NSEC3
NSEC3
0 iterations, 0-byte salt
Signatures valid until
29 October 2026

DNSKEY in the zone

Key tagRoleAlgorithm
50314KSK (257)RSASHA256 (8)

Checks

  • !
    Signed but not delegated securely
    The zone is signed but the parent has no DS record, so the signatures are not used. Publish the DS record at your registrar.
    #27
  • ✓ Modern algorithms #29
    Key algorithms: RSASHA256 (8).
  • ✓ Signatures valid until 2026-10-29 #30
    The earliest DNSKEY/SOA signature expires at 2026-10-29 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
93.186.179.180:53
TypeValueTTL
SOAns1.oxilion.nl. postmaster.oxilion.nl. 2022122002 86400 3600 604800 360086400
NSns3.oxilion.net.86400
NSns2.oxilion.nl.86400
NSns1.oxilion.nl.86400
A23.227.38.653600
MX0 elektor-de.mail.protection.outlook.com.14400
TXT"v=spf1 ip4:83.96.255.227 a:3493.submission.antispamcloud.com mx include:servers.mcsv.net include:spf.montapacking.nl include:spf.mandrillapp.com include:trustpilotservice.com include:mail.zendesk.com include:spf.protection.outlook.com -all"3600
TXT"google-site-verification=df0vvaR2LfhjfPvbaoFR8EMQiRNOLXX163NZP0mMnck"3600
CAA0 issue "globalsign.com"14400
CAA0 issue "letsencrypt.org"14400

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, MX 4h, NS 1d.
  • ✓ 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: globalsign.com, letsencrypt.org.