audi.de

Checked 21 October 2026, 21:31 UTC · via 8.8.8.8
!Passed with warnings
21 passed 1 warning 0 failed 7 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

ns2.audi.de, ns5.xc-ns.de

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns2.audi.de, ns5.xc-ns.de
NS in the zone
ns2.audi.de, ns5.xc-ns.de
NameserverAddressesNetwork (AS)Glue
ns2.audi.de143.164.1.100AS12331 AUDI-AS - Audi AG, DE143.164.1.100
ns5.xc-ns.de194.50.187.225 2a04:2b00:14dd::225AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT194.50.187.225 2a04:2b00:14dd::225

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns2.audi.de, ns5.xc-ns.de.
    #6
  • ✓ 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.audi.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 2 IPv4 /24s and 1 IPv6 /48.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS12331 (AUDI-AS - Audi AG, DE): 1 address; AS1921 (RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT): 2 addresses.
  • i
    All nameserver names under .de
    All nameserver names are under one TLD, so a problem with that TLD also makes the nameservers unreachable. Some operators use names under two TLDs for extra resilience.
    #12
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns2.audi.de.
    #13

Nameservers

info

3 of 3 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns2.audi.de 143.164.1.100NOERROR, 11 ms, authoritativenoyes / yesrefused-
ns5.xc-ns.de 194.50.187.225NOERROR, 12 ms, authoritativenoyes / yesrefusedreg-wie1
ns5.xc-ns.de 2a04:2b00:14dd::225NOERROR, 12 ms, authoritativenoyes / yesrefusedreg-wie1

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.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: ns5.xc-ns.de: "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 2025072704 · primary ns2.audi.de

Found

Primary (MNAME)
ns2.audi.de
Contact (RNAME)
domainservice.audi.de
Serial
2025072704
Refresh / retry
1800 s / 600 s
Expire
2419200 s
Negative TTL
600 s

Serial per nameserver

NameserverSerial
ns2.audi.de (143.164.1.100)2025072704
ns5.xc-ns.de (194.50.187.225)2025072704
ns5.xc-ns.de (2a04:2b00:14dd::225)2025072704

Checks

  • ✓ Serial 2025072704 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 30m, retry 10m, expire 28d, negative TTL 10m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns2.audi.de is one of the listed nameservers.
  • ✓ Contact domainservice@audi.de #25
    The SOA RNAME domainservice.audi.de means domainservice@audi.de.
  • ✓ Date-based serial #26
    The serial 2025072704 follows the YYYYMMDDnn convention (2025-07-27).

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

48 records at the apex

Found

Read from
143.164.1.100:53
TypeValueTTL
SOAns2.audi.de. domainservice.audi.de. 2025072704 1800 600 2419200 60028800
NSns2.audi.de.28800
NSns5.xc-ns.de.28800
A52.223.9.235900
A76.223.75.243900
MX10 mr1.volkswagen.de.900
MX20 mr4.volkswagen.de.900
MX20 mr3.volkswagen.de.900
MX10 mr6.volkswagen.de.900
MX10 mr5.volkswagen.de.900
MX10 mr2.volkswagen.de.900
TXT"docker-verification=1e45e2ce-c360-4a03-8cf7-d6a662994db7"900
TXT"zscaler-verification-15736768-242026-s3gG3vfF"900
TXT"vertexinc-cloud-4225f9db-a931-478f-935d-64ff3f87edba"900
TXT"_x6igcmd9399a8nltflio3ex2j00xzxw"900
TXT"v=spf1 ip4:143.164.102.17 ip4:143.164.102.18 ip4:91.198.139.134/31 include:_spf.vwgroup.com -all"900
TXT"atlassian-domain-verification=1vxhDy1srFaAMPw7IxfCzCYAER2tQCHoYVI6wE30qO0Wm9e3Q6IAlABeVl36Rmav"900
TXT"adobe-idp-site-verification=f3290d444f3413d0b3f7f326627fa9c544efc2e60f89bc6529bd561818598203"900
TXT"google-site-verification=nCKB0S4fEJm0IvptY8jWDPkPvntGz99pOvesV83nq5g"900
TXT"google-site-verification=-8xDv6r0QzBhSnwQbyyTbYv8ImdXLDz-1bBDVmLv3ec"900
TXT"onetrust-domain-verification=89b61288fe744d8eb56063cbdf4ef564"900
TXT"docker-verification=a30d2023-483d-480c-95d9-a4c6d2cc0b3e"900
TXT"50487A6A-4B88-4459-BC59-9EE9102F4885_30.10.2018"900
TXT"QuoVadis=ef5448b2-c674-4a58-a4e8-f92dae5d90bf"900
TXT"QuoVadis=cf95a704-8054-4822-8918-b7811f7004d6"900
TXT"QuoVadis=2cf2073d-1f5b-4a43-a4c4-68d4696473bc"900
TXT"QuoVadis=289003e1-2f0e-45cc-bbe3-61ad5a0d6ee7"900
TXT"QuoVadis=1bb1afe7-729d-467f-82db-577ec275914c"900
TXT"apple-domain-verification=ZrEiI5aaM7HFxlKH"900
TXT"8e68bfd5-ea3a-40ab-b9f9-9166ed459e7a"900
TXT"w9nv9b7ly1jb7z73973y0n0m2qvm41xk"900
TXT"ttkxh0bmgy9lqsr4xwv3hmc4hl6x7tp8"900
TXT"qdxrwxqwzx1yps0v0nvw8l9r9r30zw5f"900
TXT"pxy1tsygj3m1r2dch1bd4bk2pqk08s1c"900
TXT"p2fgybfvyzgxq7t3y4sdtmg9djtf0lsc"900
TXT"_aezxmqm595we1qhpdunsr6k6l2czkng"900
TXT"8w9qybjj4d7fycm6tjz3tyxklvc5phlt"900
TXT"6v26tml3h64nlctv228p3pzz6ls3xmk4"900
TXT"4mllck1t2d36z4jkk9xh5m9dgrhd9198"900
TXT"3wzds0wznr3nbr4sk6kpd4pdfk9qrcy4"900
TXT"MS=ms34229231"900
TXT"jamf-site-verification=qdKZ1jQ39oTuUqpblI_IxQ"900
TXT"google-site-verification=mJ6XjNwJkvq2ZdglKMDUDT0NyRIOzYYkE8p2pHn9Tw4"900
TXT"Dynatrace-site-verification=9864f73b-49b4-480b-90a7-76f9571ed091__htgtnmnc461liabtiig8d5cua7"900
TXT"_k2bmcwsh3qz4er1z9epqu2va29zojs8"900
TXT"teamviewer-sso-verification=4d4896d93f0a4820b54f3c1626818fec"900
TXT"_dvxulzox2fm5ns41kytze1ukhlwz2ng"900
TXT"_w70oenutw68a2i6lqo5povlulu9158y"900

Checks

  • ✓ TTLs within range #32
    TTLs: A 15m, MX 15m, NS 8h. The NS TTL at the parent is 1d and in the zone 8h; 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