website-start.de

Checked 22 October 2026, 01:00 UTC · via 8.8.8.8
!Passed with warnings
24 passed 2 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

pass

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

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ns-diy.ui-dns.biz, ns-diy.ui-dns.com, ns-diy.ui-dns.de, ns-diy.ui-dns.org
NS in the zone
ns-diy.ui-dns.biz, ns-diy.ui-dns.com, ns-diy.ui-dns.de, ns-diy.ui-dns.org
NameserverAddressesNetwork (AS)Glue
ns-diy.ui-dns.biz217.160.81.246 185.132.33.246 2001:8d8:fe:53:0:d9a0:51f6:100 2607:f1c0:fe:53:185:132:33:246AS8560 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-diy.ui-dns.com217.160.82.246 185.132.34.246 2001:8d8:fe:53:0:d9a0:52f6:100 2607:f1c0:fe:53:185:132:34:246AS8560 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-diy.ui-dns.de185.132.32.246 217.160.80.246 2607:f1c0:fe:53:185:132:32:246 2001:8d8:fe:53:0:d9a0:50f6:100AS15418 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-diy.ui-dns.org217.160.83.246 185.132.35.246 2607:f1c0:fe:53:185:132:35:246 2001:8d8:fe:53:0:d9a0:53f6:100AS8560 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-diy.ui-dns.biz, ns-diy.ui-dns.com, ns-diy.ui-dns.de, ns-diy.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-diy.ui-dns.biz 217.160.81.246NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.biz 185.132.33.246NOERROR, 3 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.biz 2001:8d8:fe:53:0:d9a0:51f6:100NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.biz 2607:f1c0:fe:53:185:132:33:246NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.com 217.160.82.246NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.com 185.132.34.246NOERROR, 3 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.com 2001:8d8:fe:53:0:d9a0:52f6:100NOERROR, 10 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.com 2607:f1c0:fe:53:185:132:34:246NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.de 185.132.32.246NOERROR, 3 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.de 217.160.80.246NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.de 2607:f1c0:fe:53:185:132:32:246NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.de 2001:8d8:fe:53:0:d9a0:50f6:100NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.org 217.160.83.246NOERROR, 9 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.org 185.132.35.246NOERROR, 3 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.org 2607:f1c0:fe:53:185:132:35:246NOERROR, 4 ms, authoritativenoyes / yesrefusedServed by PowerDNS - https://www.powerdns.com/
ns-diy.ui-dns.org 2001:8d8:fe:53:0:d9a0:53f6:100NOERROR, 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-diy.ui-dns.biz: "Served by PowerDNS - https://www.powerdns.com/"; ns-diy.ui-dns.com: "Served by PowerDNS - https://www.powerdns.com/"; ns-diy.ui-dns.de: "Served by PowerDNS - https://www.powerdns.com/"; ns-diy.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

warn

serial 2013071940 · primary ns-diy.ui-dns.com

Found

Primary (MNAME)
ns-diy.ui-dns.com
Contact (RNAME)
dnsadmin.1und1.de
Serial
2013071940
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
60 s

Serial per nameserver

NameserverSerial
ns-diy.ui-dns.biz (217.160.81.246)2013071940
ns-diy.ui-dns.biz (185.132.33.246)2013071940
ns-diy.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51f6:100)2013071940
ns-diy.ui-dns.biz (2607:f1c0:fe:53:185:132:33:246)2013071940
ns-diy.ui-dns.com (217.160.82.246)2013071940
ns-diy.ui-dns.com (185.132.34.246)2013071940
ns-diy.ui-dns.com (2001:8d8:fe:53:0:d9a0:52f6:100)2013071940
ns-diy.ui-dns.com (2607:f1c0:fe:53:185:132:34:246)2013071940
ns-diy.ui-dns.de (185.132.32.246)2013071940
ns-diy.ui-dns.de (217.160.80.246)2013071940
ns-diy.ui-dns.de (2607:f1c0:fe:53:185:132:32:246)2013071940
ns-diy.ui-dns.de (2001:8d8:fe:53:0:d9a0:50f6:100)2013071940
ns-diy.ui-dns.org (217.160.83.246)2013071940
ns-diy.ui-dns.org (185.132.35.246)2013071940
ns-diy.ui-dns.org (2607:f1c0:fe:53:185:132:35:246)2013071940
ns-diy.ui-dns.org (2001:8d8:fe:53:0:d9a0:53f6:100)2013071940

Checks

  • ✓ Serial 2013071940 everywhere #22
    All nameservers serve the same version of the zone.
  • !
    Unusual SOA timers
    negative caching TTL (minimum) 1m is outside 5m–1d (RFC 2308 recommends 1–3 hours). Current values: refresh 8h, retry 2h, expire 7d, negative TTL 1m.
    #23
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns-diy.ui-dns.com is one of the listed nameservers.
  • ✓ Contact dnsadmin@1und1.de #25
    The SOA RNAME dnsadmin.1und1.de means dnsadmin@1und1.de.
  • ✓ Date-based serial #26
    The serial 2013071940 follows the YYYYMMDDnn convention (2013-07-19).

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

pass

15 records at the apex

Found

Read from
217.160.81.246:53
TypeValueTTL
SOAns-diy.ui-dns.com. dnsadmin.1und1.de. 2013071940 28800 7200 604800 603600
NSns-diy.ui-dns.org.3600
NSns-diy.ui-dns.biz.3600
NSns-diy.ui-dns.de.3600
NSns-diy.ui-dns.com.3600
MX10 mxint01.1and1.com.3600
MX10 mxint02.1and1.com.3600
TXT"google-site-verification=bbJ20cOGfL3jO6Wl_lkKSjLSU3XICbfGjIq7RuGKklY"300
TXT"7vct6xz64h22cfvlln6gdgcdpx89ycbg"600
TXT"4FLVjy/f/0vC3LvtMjPTrA=="600
TXT"_82dyms8np2iye20htu7p6k6z4ww8eai"600
CAA0 issue "sectigo.com"3600
CAA0 issuewild "sectigo.com"3600
CAA0 issue "digicert.com"3600
CAA0 issuewild "digicert.com"3600

Checks

  • ✓ TTLs within range #32
    TTLs: 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: sectigo.com, digicert.com.