bawue.de

Checked 21 October 2026, 21:36 UTC · via 8.8.8.8
✗Problems found
23 passed 2 warnings 1 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

pass

ns-global.kjsl.com, ns1.bawue.net, ns2.bawue.de, ns3.bawue.org

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns-global.kjsl.com, ns1.bawue.net, ns2.bawue.de, ns3.bawue.org
NS in the zone
ns-global.kjsl.com, ns1.bawue.net, ns2.bawue.de, ns3.bawue.org
NameserverAddressesNetwork (AS)Glue
ns-global.kjsl.com23.128.97.53 2607:7c80:53::53AS398987 NS-GLOBAL - PhirePhly Design, US AS398987 NS-GLOBAL - PhirePhly Design, US-
ns1.bawue.net193.7.176.42 2001:678:cac:176:193:7:176:42AS39702 SIT-AS - S-IT Verwaltungs GmbH trading as S-IT Informationstechnologie Betreiber GmbH & Co. KG im Nordschwarzwald, DE AS39702 SIT-AS - S-IT Verwaltungs GmbH trading as S-IT Informationstechnologie Betreiber GmbH & Co. KG im Nordschwarzwald, DE-
ns2.bawue.de193.7.177.42 2001:678:cac:177:193:7:177:42AS39702 SIT-AS - S-IT Verwaltungs GmbH trading as S-IT Informationstechnologie Betreiber GmbH & Co. KG im Nordschwarzwald, DE AS39702 SIT-AS - S-IT Verwaltungs GmbH trading as S-IT Informationstechnologie Betreiber GmbH & Co. KG im Nordschwarzwald, DE193.7.177.42 2001:678:cac:177:193:7:177:42
ns3.bawue.org5.255.113.53 2a04:52c0:118:f83f:62:6177:7565:53AS60404 Liteserver - The Infrastructure Group B.V., NL AS60404 Liteserver - The Infrastructure Group B.V., NL-

Checks

  • ✓ 4 nameservers #6
    Delegated to ns-global.kjsl.com, ns1.bawue.net, ns2.bawue.de, ns3.bawue.org.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • ✓ Glue present and correct #8
    Glue is published for the nameservers inside the zone: ns2.bawue.de.
  • ✓ 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: AS39702 (SIT-AS - S-IT Verwaltungs GmbH trading as S-IT Informationstechnologie Betreiber GmbH & Co. KG im Nordschwarzwald, DE): 4 addresses; AS398987 (NS-GLOBAL - PhirePhly Design, US): 2 addresses; AS60404 (Liteserver - The Infrastructure Group B.V., NL): 2 addresses.
  • ✓ Nameserver names under 4 TLDs #12
    Nameserver names use the TLDs .com, .de, .net, .org.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

fail

8 of 8 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns-global.kjsl.com 23.128.97.53NOERROR, 39 ms, authoritativenono / yesrefusedns-global v2
ns-global.kjsl.com 2607:7c80:53::53NOERROR, 49 ms, authoritativenono / yesrefusedns-global v2
ns1.bawue.net 193.7.176.42NOERROR, 9 ms, authoritativenoyes / yesrefused9.9.4-RedHat-9.9.4-74.el7.1bwn
ns1.bawue.net 2001:678:cac:176:193:7:176:42NOERROR, 10 ms, authoritativenoyes / yesrefused9.9.4-RedHat-9.9.4-74.el7.1bwn
ns2.bawue.de 193.7.177.42NOERROR, 9 ms, authoritativenoyes / yesrefused9.9.4-RedHat-9.9.4-74.el7.1bwn
ns2.bawue.de 2001:678:cac:177:193:7:177:42NOERROR, 9 ms, authoritativenoyes / yesrefused9.9.4-RedHat-9.9.4-74.el7.1bwn
ns3.bawue.org 5.255.113.53NOERROR, 9 ms, authoritativenoyes / yesrefusedKnot DNS 3.3.10
ns3.bawue.org 2a04:52c0:118:f83f:62:6177:7565:53NOERROR, 9 ms, authoritativenoyes / yesrefusedKnot DNS 3.3.10

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: ns1.bawue.net: "9.9.4-RedHat-9.9.4-74.el7.1bwn"; ns2.bawue.de: "9.9.4-RedHat-9.9.4-74.el7.1bwn"; ns3.bawue.org: "Knot DNS 3.3.10". Hide or replace the version string.
    #17
  • ✓ Zone transfers refused #18
    No nameserver allows a zone transfer to the public.
  • ✗
    No DNS over TCP
    DNS over TCP is required (RFC 7766); without it, large answers such as DNSSEC responses fail. Not answering over TCP: ns-global.kjsl.com (23.128.97.53): read tcp 46.225.38.91:47600->23.128.97.53:53: i/o timeout; ns-global.kjsl.com (2607:7c80:53::53): dial tcp [2607:7c80:53::53]:53: i/o timeout.
    #19
  • ✓ EDNS supported #20
    All nameservers support EDNS(0).
  • ✓ Public addresses #21
    All nameserver addresses are publicly routable.

SOA

pass

serial 2026102003 · primary ns1.bawue.net

Found

Primary (MNAME)
ns1.bawue.net
Contact (RNAME)
hostmaster.bawue.net
Serial
2026102003
Refresh / retry
86400 s / 7200 s
Expire
2419200 s
Negative TTL
300 s

Serial per nameserver

NameserverSerial
ns-global.kjsl.com (23.128.97.53)2026102003
ns-global.kjsl.com (2607:7c80:53::53)2026102003
ns1.bawue.net (193.7.176.42)2026102003
ns1.bawue.net (2001:678:cac:176:193:7:176:42)2026102003
ns2.bawue.de (193.7.177.42)2026102003
ns2.bawue.de (2001:678:cac:177:193:7:177:42)2026102003
ns3.bawue.org (5.255.113.53)2026102003
ns3.bawue.org (2a04:52c0:118:f83f:62:6177:7565:53)2026102003

Checks

  • ✓ Serial 2026102003 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1d, retry 2h, expire 28d, negative TTL 5m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.bawue.net is one of the listed nameservers.
  • ✓ Contact hostmaster@bawue.net #25
    The SOA RNAME hostmaster.bawue.net means hostmaster@bawue.net.
  • ✓ Date-based serial #26
    The serial 2026102003 follows the YYYYMMDDnn convention (2026-10-20).

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
23.128.97.53:53
TypeValueTTL
SOAns1.bawue.net. hostmaster.bawue.net. 2026102003 86400 7200 2419200 3003600
NSns2.bawue.de.3600
NSns-global.kjsl.com.3600
NSns1.bawue.net.3600
NSns3.bawue.org.3600
A193.7.176.203600
AAAA2001:678:cac:176:193:7:176:203600
MX10 mailin.mx.bawue.net.3600
TXT"v=spf1 mx ip4:193.7.176.0/24 ip4:193.7.178.0/24 ip4:217.10.14.251/32 ~all"3600

Checks

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