fischertechnik.de

Checked 21 October 2026, 22:30 UTC · via 8.8.8.8
!Passed with warnings
23 passed 1 warning 0 failed 5 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.do-ex.com, ns.do-ex.net, ns.ugfischer.com, ns2.ugfischer.com

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns.do-ex.com, ns.do-ex.net, ns.ugfischer.com, ns2.ugfischer.com
NS in the zone
ns.do-ex.com, ns.do-ex.net, ns.ugfischer.com, ns2.ugfischer.com
NameserverAddressesNetwork (AS)Glue
ns.do-ex.com193.227.117.225 2a04:2b00:14cc::225AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT-
ns.do-ex.net194.50.187.225 2a04:2b00:14dd::225AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT-
ns.ugfischer.com194.127.208.2AS207404 fischerwerke - fischerwerke, DE-
ns2.ugfischer.com194.127.208.6AS207404 fischerwerke - fischerwerke, DE-

Checks

  • ✓ 4 nameservers #6
    Delegated to ns.do-ex.com, ns.do-ex.net, ns.ugfischer.com, ns2.ugfischer.com.
  • ✓ 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.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS1921 (RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT): 4 addresses; AS207404 (fischerwerke - fischerwerke, DE): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .com, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns.ugfischer.com, ns2.ugfischer.com.
    #13

Nameservers

info

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns.do-ex.com 193.227.117.225NOERROR, 4 ms, authoritativenoyes / yesrefusedRcodeZero DNS
ns.do-ex.com 2a04:2b00:14cc::225NOERROR, 4 ms, authoritativenoyes / yesrefusedRcodeZero DNS
ns.do-ex.net 194.50.187.225NOERROR, 12 ms, authoritativenoyes / yesrefusedreg-wie1
ns.do-ex.net 2a04:2b00:14dd::225NOERROR, 12 ms, authoritativenoyes / yesrefusedreg-wie1
ns.ugfischer.com 194.127.208.2NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns2.ugfischer.com 194.127.208.6NOERROR, 9 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.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: ns.do-ex.com: "RcodeZero DNS"; ns.do-ex.net: "reg-wie1".
    #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 1997051027 · primary ns.ugfischer.com

Found

Primary (MNAME)
ns.ugfischer.com
Contact (RNAME)
admin-c.fischer.de
Serial
1997051027
Refresh / retry
21600 s / 3600 s
Expire
3456000 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns.do-ex.com (193.227.117.225)1997051027
ns.do-ex.com (2a04:2b00:14cc::225)1997051027
ns.do-ex.net (194.50.187.225)1997051027
ns.do-ex.net (2a04:2b00:14dd::225)1997051027
ns.ugfischer.com (194.127.208.2)1997051027
ns2.ugfischer.com (194.127.208.6)1997051027

Checks

  • ✓ Serial 1997051027 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 6h, retry 1h, expire 40d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns.ugfischer.com is one of the listed nameservers.
  • ✓ Contact admin-c@fischer.de #25
    The SOA RNAME admin-c.fischer.de means admin-c@fischer.de.
  • ✓ Date-based serial #26
    The serial 1997051027 follows the YYYYMMDDnn convention (1997-05-10).

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
193.227.117.225:53
TypeValueTTL
SOAns.ugfischer.com. admin-c.fischer.de. 1997051027 21600 3600 3456000 8640086400
NSns.do-ex.com.86400
NSns.do-ex.net.86400
NSns.ugfischer.com.86400
NSns2.ugfischer.com.86400
A20.73.186.19586400
MX10 fischertechnik-de.mail.protection.outlook.com.3600
TXT"anthropic-domain-verification-90v8nk=DQVsV2si9c9FrBBTykMOHphGp"3600
TXT"v=spf1 ip4:194.127.209.204 include:spf.protection.outlook.com -all"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1d, MX 1h, 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