0pointer.de

Checked 21 October 2026, 21:27 UTC · via 8.8.8.8
!Passed with warnings
21 passed 2 warnings 0 failed 6 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

info

ns.0pointer.net, ns10.schlundtech.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns.0pointer.net, ns10.schlundtech.de
NS in the zone
ns.0pointer.net, ns10.schlundtech.de
NameserverAddressesNetwork (AS)Glue
ns.0pointer.net85.214.157.71 2a01:238:43ed:c300:10c3:bcf3:3266:da74AS6724 STRATO - Strato GmbH, DE AS6724 STRATO - Strato GmbH, DE-
ns10.schlundtech.de62.116.163.100AS15456 INTERNETX-AS - InterNetX GmbH, DE-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns.0pointer.net, ns10.schlundtech.de.
    #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.
  • ✓ Nameservers in different networks #10
    The nameservers are spread over 2 IPv4 /24s and 1 IPv6 /48.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS15456 (INTERNETX-AS - InterNetX GmbH, DE): 1 address; AS6724 (STRATO - Strato GmbH, DE): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns10.schlundtech.de.
    #13

Nameservers

warn

3 of 3 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns.0pointer.net 85.214.157.71NOERROR, 13 ms, authoritativenoyes / yesrefused9.18.51-dev
ns.0pointer.net 2a01:238:43ed:c300:10c3:bcf3:3266:da74NOERROR, 14 ms, authoritativenoyes / yesrefused9.18.51-dev
ns10.schlundtech.de 62.116.163.100NOERROR, 10 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 3 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: ns.0pointer.net: "9.18.51-dev". 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 2020111601 · primary ns.0pointer.net

Found

Primary (MNAME)
ns.0pointer.net
Contact (RNAME)
root.0pointer.net
Serial
2020111601
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
39600 s

Serial per nameserver

NameserverSerial
ns.0pointer.net (85.214.157.71)2020111601
ns.0pointer.net (2a01:238:43ed:c300:10c3:bcf3:3266:da74)2020111601
ns10.schlundtech.de (62.116.163.100)2020111601

Checks

  • ✓ Serial 2020111601 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 2h, expire 7d, negative TTL 11h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns.0pointer.net is one of the listed nameservers.
  • ✓ Contact root@0pointer.net #25
    The SOA RNAME root.0pointer.net means root@0pointer.net.
  • ✓ Date-based serial #26
    The serial 2020111601 follows the YYYYMMDDnn convention (2020-11-16).

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

14 records at the apex

Found

Read from
85.214.157.71:53
TypeValueTTL
SOAns.0pointer.net. root.0pointer.net. 2020111601 28800 7200 604800 39600900
NSns.0pointer.net.900
NSns10.schlundtech.de.900
A85.214.157.71900
AAAA2a01:238:43ed:c300:10c3:bcf3:3266:da74900
MX10 gardel.0pointer.net.900
TXT"google-site-verification=L5bTAs6d7uQG2p22ZExv3J4ywW6_9n23XGYNNjrp-1o"900
TXT"google-site-verification=JlcfBXJzwkE_K8mP9SWRLv1b8N0qxXk1vZLDBMcR9og"900
TXT"google-site-verification=HFNvy7ww92mdaMM0tCZE24FjCEhjcJRNQMAArjFnrjw"900
TXT"google-site-verification=WjefEB7uyjmS7cCvYHGiugeudkp5OkYep7QNrVTIaLU"900
TXT"v=spf1 ip4:85.214.157.71 ip6:2a01:238:43ed:c300:10c3:bcf3:3266:da74 -all"900
TXT"google-site-verification=K7wny9qA8oDwjLkDK_JeHSj05MORXNrEX0MLCrARR6Q"900
TXT"google-site-verification=pd37jq4pBQeqFI_g_ce2Ge0kl97MkPpLX3KifBPV4mw"900
TXT"google-site-verification=A-QFrqXiq6ocr7DQmFlomMxc8Jh-hJmN5U6MaxgFQjs"900

Checks

  • ✓ TTLs within range #32
    TTLs: A 15m, AAAA 15m, MX 15m, NS 15m. The NS TTL at the parent is 1d and in the zone 15m; resolvers may use either.
  • ✓ No CNAME at the apex #33
    The zone apex has no CNAME record.
  • i
    Wildcard record
    A random name under the zone resolves, so there is a wildcard (*) record. Typos and non-existent hosts resolve too, which can confuse mail and certificate checks.
    #34
  • 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