monde-diplomatique.de

Checked 21 October 2026, 23:30 UTC · via 8.8.8.8
!Passed with warnings
23 passed 3 warnings 0 failed 3 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

warn

ns.ipberlin.com, ns3.ipberlin.com, osiris.taz.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns.ipberlin.com, ns3.ipberlin.com, osiris.taz.de
NS in the zone
osiris.taz.de, tazns01.lwlcom.net
NameserverAddressesNetwork (AS)Glue
ns.ipberlin.com (parent only)194.29.226.17 2a02:f28:2:0:194:29:226:17AS20647 IPB - IPB Internet Provider in Berlin GmbH, DE AS20647 IPB - IPB Internet Provider in Berlin GmbH, DE-
ns3.ipberlin.com (parent only)194.29.230.17 2a02:f28:2:1:194:29:230:17AS20647 IPB - IPB Internet Provider in Berlin GmbH, DE AS20647 IPB - IPB Internet Provider in Berlin GmbH, DE-
osiris.taz.de193.104.220.1 2001:67c:13c::2AS16075 TAZ-AS - TAZ-AS, DE AS16075 TAZ-AS - TAZ-AS, DE193.104.220.1 2001:67c:13c::2
tazns01.lwlcom.net (zone only)185.55.117.31 2a00:c380:8000:1::31AS50629 LWLCOM - LWLcom GmbH, DE AS50629 LWLCOM - LWLcom GmbH, DE-

Checks

  • ✓ 3 nameservers #6
    Delegated to ns.ipberlin.com, ns3.ipberlin.com, osiris.taz.de.
  • !
    NS sets differ
    The nameservers at the parent and in the zone should be the same. Only at the parent: ns.ipberlin.com, ns3.ipberlin.com; only in the zone: tazns01.lwlcom.net. ns.ipberlin.com, ns3.ipberlin.com, osiris.taz.de, tazns01.lwlcom.net report NS osiris.taz.de tazns01.lwlcom.net.
    #7
  • ✓ 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 3 IPv6 /48s.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS16075 (TAZ-AS - TAZ-AS, DE): 2 addresses; AS20647 (IPB - IPB Internet Provider in Berlin GmbH, DE): 4 addresses; AS50629 (LWLCOM - LWLcom GmbH, DE): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .de.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

warn

8 of 8 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns.ipberlin.com 194.29.226.17NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns.ipberlin.com 2a02:f28:2:0:194:29:226:17NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns3.ipberlin.com 194.29.230.17NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns3.ipberlin.com 2a02:f28:2:1:194:29:230:17NOERROR, 11 ms, authoritativenoyes / yesrefused-
osiris.taz.de 193.104.220.1NOERROR, 10 ms, authoritativenoyes / yesrefused9.20.30-1~deb13u1-Debian
osiris.taz.de 2001:67c:13c::2NOERROR, 12 ms, authoritativenoyes / yesrefused9.20.30-1~deb13u1-Debian
tazns01.lwlcom.net 185.55.117.31NOERROR, 10 ms, authoritativenoyes / yesrefused9.18.39-0ubuntu0.24.04.8-Ubuntu
tazns01.lwlcom.net 2a00:c380:8000:1::31NOERROR, 10 ms, authoritativenoyes / yesrefused9.18.39-0ubuntu0.24.04.8-Ubuntu

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: osiris.taz.de: "9.20.30-1~deb13u1-Debian"; tazns01.lwlcom.net: "9.18.39-0ubuntu0.24.04.8-Ubuntu". 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 2025110501 · primary osiris.taz.de

Found

Primary (MNAME)
osiris.taz.de
Contact (RNAME)
hostmaster.taz.de
Serial
2025110501
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns.ipberlin.com (194.29.226.17)2025110501
ns.ipberlin.com (2a02:f28:2:0:194:29:226:17)2025110501
ns3.ipberlin.com (194.29.230.17)2025110501
ns3.ipberlin.com (2a02:f28:2:1:194:29:230:17)2025110501
osiris.taz.de (193.104.220.1)2025110501
osiris.taz.de (2001:67c:13c::2)2025110501
tazns01.lwlcom.net (185.55.117.31)2025110501
tazns01.lwlcom.net (2a00:c380:8000:1::31)2025110501

Checks

  • ✓ Serial 2025110501 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 osiris.taz.de is one of the listed nameservers.
  • ✓ Contact hostmaster@taz.de #25
    The SOA RNAME hostmaster.taz.de means hostmaster@taz.de.
  • ✓ Date-based serial #26
    The serial 2025110501 follows the YYYYMMDDnn convention (2025-11-05).

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

8 records at the apex

Found

Read from
194.29.226.17:53
TypeValueTTL
SOAosiris.taz.de. hostmaster.taz.de. 2025110501 28800 7200 604800 8640086400
NStazns01.lwlcom.net.86400
NSosiris.taz.de.86400
A193.104.220.231800
MX10 mx.taz.de.86400
TXT"v=spf1 ip4:193.104.220.0/25 ip6:2001:67c:13c::/48 -all"86400
TXT"2b8f2f31d011a000676fe5646730712961e6be56"86400
TXT"globalsign-domain-verification=VRKdB36W8FMKBXv5-o3wPoNFU6I41rN7rXETZ4sEpg"86400

Checks

  • ✓ TTLs within range #32
    TTLs: A 30m, MX 1d, 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.
  • 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