web.de

Checked 22 October 2026, 01:00 UTC · via 8.8.8.8
!Passed with warnings
29 passed 1 warning 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

pass

ns-webde.ui-dns.biz, ns-webde.ui-dns.com, ns-webde.ui-dns.de, ns-webde.ui-dns.org

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns-webde.ui-dns.biz, ns-webde.ui-dns.com, ns-webde.ui-dns.de, ns-webde.ui-dns.org
NS in the zone
ns-webde.ui-dns.biz, ns-webde.ui-dns.com, ns-webde.ui-dns.de, ns-webde.ui-dns.org
NameserverAddressesNetwork (AS)Glue
ns-webde.ui-dns.biz185.132.33.198 217.160.81.198 2607:f1c0:fe:53:185:132:33:198 2001:8d8:fe:53:0:d9a0:51c6:100AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS8560 IONOS-AS - IONOS SE, DE AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS8560 IONOS-AS - IONOS SE, DE-
ns-webde.ui-dns.com217.160.82.198 185.132.34.198 2001:8d8:fe:53:0:d9a0:52c6:100 2607:f1c0:fe:53:185:132:34:198AS8560 IONOS-AS - IONOS SE, DE AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS8560 IONOS-AS - IONOS SE, DE AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB-
ns-webde.ui-dns.de185.132.32.198 217.160.80.198 2607:f1c0:fe:53:185:132:32:198 2001:8d8:fe:53:0:d9a0:50c6:100AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS8560 IONOS-AS - IONOS SE, DE AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS8560 IONOS-AS - IONOS SE, DE-
ns-webde.ui-dns.org217.160.83.198 185.132.35.198 2607:f1c0:fe:53:185:132:35:198 2001:8d8:fe:53:0:d9a0:53c6:100AS8560 IONOS-AS - IONOS SE, DE AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS15418 IONOS-ANYCAST - Fasthosts Internet Limited, GB AS8560 IONOS-AS - IONOS SE, DE-

Checks

  • ✓ 4 nameservers #6
    Delegated to ns-webde.ui-dns.biz, ns-webde.ui-dns.com, ns-webde.ui-dns.de, ns-webde.ui-dns.org.
  • ✓ 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 8 IPv4 /24s and 2 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS15418 (IONOS-ANYCAST - Fasthosts Internet Limited, GB): 8 addresses; AS8560 (IONOS-AS - IONOS SE, DE): 8 addresses.
  • ✓ Nameserver names under 4 TLDs #12
    Nameserver names use the TLDs .biz, .com, .de, .org.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

info

16 of 16 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns-webde.ui-dns.biz 185.132.33.198NOERROR, 3 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.biz 217.160.81.198NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.biz 2607:f1c0:fe:53:185:132:33:198NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.biz 2001:8d8:fe:53:0:d9a0:51c6:100NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.com 217.160.82.198NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.com 185.132.34.198NOERROR, 3 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.com 2001:8d8:fe:53:0:d9a0:52c6:100NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.com 2607:f1c0:fe:53:185:132:34:198NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.de 185.132.32.198NOERROR, 3 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.de 217.160.80.198NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.de 2607:f1c0:fe:53:185:132:32:198NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.de 2001:8d8:fe:53:0:d9a0:50c6:100NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.org 217.160.83.198NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.org 185.132.35.198NOERROR, 3 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.org 2607:f1c0:fe:53:185:132:35:198NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-webde.ui-dns.org 2001:8d8:fe:53:0:d9a0:53c6:100NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/

Checks

  • ✓ All respond #14
    All 16 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-webde.ui-dns.biz: "Served by PowerDNS - https://www.powerdns.com/"; ns-webde.ui-dns.com: "Served by PowerDNS - https://www.powerdns.com/"; ns-webde.ui-dns.de: "Served by PowerDNS - https://www.powerdns.com/"; ns-webde.ui-dns.org: "Served by PowerDNS - https://www.powerdns.com/".
    #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 2005105959 · primary ns-webde.ui-dns.de

Found

Primary (MNAME)
ns-webde.ui-dns.de
Contact (RNAME)
dnsadmin.1und1.de
Serial
2005105959
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
600 s

Serial per nameserver

NameserverSerial
ns-webde.ui-dns.biz (185.132.33.198)2005105959
ns-webde.ui-dns.biz (217.160.81.198)2005105959
ns-webde.ui-dns.biz (2607:f1c0:fe:53:185:132:33:198)2005105959
ns-webde.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c6:100)2005105959
ns-webde.ui-dns.com (217.160.82.198)2005105959
ns-webde.ui-dns.com (185.132.34.198)2005105959
ns-webde.ui-dns.com (2001:8d8:fe:53:0:d9a0:52c6:100)2005105959
ns-webde.ui-dns.com (2607:f1c0:fe:53:185:132:34:198)2005105959
ns-webde.ui-dns.de (185.132.32.198)2005105959
ns-webde.ui-dns.de (217.160.80.198)2005105959
ns-webde.ui-dns.de (2607:f1c0:fe:53:185:132:32:198)2005105959
ns-webde.ui-dns.de (2001:8d8:fe:53:0:d9a0:50c6:100)2005105959
ns-webde.ui-dns.org (217.160.83.198)2005105959
ns-webde.ui-dns.org (185.132.35.198)2005105959
ns-webde.ui-dns.org (2607:f1c0:fe:53:185:132:35:198)2005105959
ns-webde.ui-dns.org (2001:8d8:fe:53:0:d9a0:53c6:100)2005105959

Checks

  • ✓ Serial 2005105959 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 2h, expire 7d, negative TTL 10m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns-webde.ui-dns.de is one of the listed nameservers.
  • ✓ Contact dnsadmin@1und1.de #25
    The SOA RNAME dnsadmin.1und1.de means dnsadmin@1und1.de.
  • ✓ Timestamp serial #26
    The serial 2005105959 is a Unix timestamp (2033-07-16 05:52 UTC).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
24 iterations, 8-byte salt
Signatures valid until
31 October 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
32842RSASHA256 (8)SHA256 16D7F4D035A7D30F…yes

DNSKEY in the zone

Key tagRoleAlgorithm
32842KSK (257)RSASHA256 (8)
11769ZSK (256)RSASHA256 (8)

Checks

  • ✓ Signed and validated #27
    The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
  • ✓ DS matches a key #28
    The DS record at the parent matches a key in the zone: key tag 32842 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: RSASHA256 (8).
  • ✓ Signatures valid until 2026-10-31 #30
    The earliest DNSKEY/SOA signature expires at 2026-10-31 06:53 UTC.
  • !
    NSEC3 with extra iterations or salt
    NSEC3 uses 24 iterations and a 8-byte salt. RFC 9276 recommends 0 iterations and no salt: extra iterations cost resolvers CPU and add no real protection, and some validators treat high counts as insecure.
    #31

Records

pass

26 records at the apex

Found

Read from
185.132.33.198:53
TypeValueTTL
SOAns-webde.ui-dns.de. dnsadmin.1und1.de. 2005105959 28800 7200 604800 60040000
NSns-webde.ui-dns.com.40000
NSns-webde.ui-dns.biz.40000
NSns-webde.ui-dns.de.40000
NSns-webde.ui-dns.org.40000
A217.72.199.68300
MX100 mx-ha03.web.de.7200
MX100 mx-ha02.web.de.7200
TXT"facebook-domain-verification=ksd7xc6g15rm7xkdga4qcm9hasgkny"300
TXT"_cddkhzzdq16uacbk5ilv3giqg9evcti"40000
TXT"dzd5thdqpcp7f5d2p8l4vj5m5wdt21cs"40000
TXT"google-site-verification=4kOTEODoJ0gf-gR71erruc56vEPOpyAuppJRHNC-hk0"40000
TXT"g6ftbncmryg0y6h956jfd242s1z9tndk"300
TXT"Trustpilot-Verification-kqvVskCm6JQ9Vg1qAmahpBSJ5tvZORbriFyVIk4E"300
TXT"_kgq2gak9z4xcvprqzb5cish8ayg4e2j"300
TXT"kqpx82j1ql9zhqh54gdr8pj9f1ytvht1"40000
TXT"google-site-verification=uHSKas5L2d4qGiqXVFuwvgu-In8Byl7dJXmTSLcOJuY"300
TXT"mindmanager-verification=1ea2fdbe5379cc0f8cfe95fa5ecfdc1ff943a7bd015aed8afb5717dad146adac"40000
TXT"v=spf1 redirect=_spf.web.de"3600
TXT"google-site-verification=No4jlUg2OIV7IsI2UF0v792Q8HgI9Brnp7qary1nMAQ"40000
CAA0 issue "Digicert.com"40000
CAA0 issuewild "sectigo.com"40000
CAA0 issuewild "digicert.com"40000
CAA0 issue "telesec.de"40000
CAA0 issue "sectigo.com"40000
CAA0 issuewild "telesec.de"40000

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, MX 2h, NS 11h6m40s. The NS TTL at the parent is 1d and in the zone 11h6m40s; 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: Digicert.com, sectigo.com, digicert.com, telesec.de.