duc-bw.de - robtex.com

duc-bw.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1088::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRw88.rzone.de
A81.169.145.88🇩🇪 STRATO81.169.144.0/22 AG
NSdocks11.rzone.de ⭐
A2001:8d8:fe:53:5747:2a74:d:11🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks11.rzone.de
A217.160.80.138🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks11.rzone.de
NSshades19.rzone.de
A2607:f1c0:fe:53:185:132:34:146🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades19.rzone.de
A185.132.34.146🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades19.rzone.de
MXsmtpin.rzone.de ⭐
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtpin.rzone.de
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de
SOAdocks11.rzone.dehostmaster@strato-rz.de 2020-05-24 #17

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1774639677

Same first word

duc-bw.com
duc-bw.de

Similar names

cdu-bw.de
cdu-bw.net
cdu-wb.de

DNS History

15 records (5 active, 10 former)

20162017201820192020202120222023202420252026NSdocks11.rzone.deshades19.rzone.dedns.dns1.dedns.dns2.dedns.dns3.dedns.dns4.dens1.q-server.euns2.q-server.euMXsmtpin.rzone.demail.duc-bw.deq-server.de.duc-bw.deA2a01:238:20a:202:1088::81.169.145.88188.68.35.2691.247.145.29
○NSdns.dns1.de2017-04-06 → 2017-04-06 · 4 obs
○ 2016-09-18 06:42:54
● 2017-04-06 05:59:32
○ 2026-03-26 08:21:30
○ 2026-03-27 19:43:04
○NSdns.dns2.de2017-04-06 → 2017-04-06 · 4 obs
○ 2016-09-18 06:42:54
● 2017-04-06 05:59:32
○ 2026-03-26 08:21:30
○ 2026-03-27 19:43:04
○NSdns.dns3.de2017-04-06 → 2017-04-06 · 4 obs
○ 2016-09-18 06:42:54
● 2017-04-06 05:59:32
○ 2026-03-26 08:21:30
○ 2026-03-27 19:43:04
○NSdns.dns4.de2017-04-06 → 2017-04-06 · 4 obs
○ 2016-09-18 06:42:54
● 2017-04-06 05:59:32
○ 2026-03-26 08:21:30
○ 2026-03-27 19:43:04
●NSdocks11.rzone.de2026-03-26 → 2026-03-27 · 3 obs
○ 2017-04-06 05:59:32
● 2026-03-26 08:21:30
● 2026-03-27 19:43:04
○NSns1.q-server.eu2015-07-02 → 2016-09-18 · 4 obs
● 2015-07-02 01:06:14
● 2016-09-18 06:42:54
○ 2017-04-06 05:59:32
○ 2026-03-27 19:43:04
○NSns2.q-server.eu2015-07-02 → 2016-09-18 · 4 obs
● 2015-07-02 01:06:14
● 2016-09-18 06:42:54
○ 2017-04-06 05:59:32
○ 2026-03-27 19:43:04
●NSshades19.rzone.de2026-03-26 → 2026-03-27 · 3 obs
○ 2017-04-06 05:59:32
● 2026-03-26 08:21:30
● 2026-03-27 19:43:04
○MXmail.duc-bw.de2015-07-02 → 2016-09-18 · 4 obs
● 2015-07-02 01:06:14
● 2016-09-18 06:42:54
○ 2017-04-06 05:59:32
○ 2026-03-27 19:43:04
○MXq-server.de.duc-bw.de2017-04-06 → 2017-04-06 · 4 obs
○ 2016-09-18 06:42:54
● 2017-04-06 05:59:32
○ 2026-03-26 08:21:30
○ 2026-03-27 19:43:04
●MXsmtpin.rzone.de2026-03-26 → 2026-03-27 · 3 obs
○ 2017-04-06 05:59:32
● 2026-03-26 08:21:30
● 2026-03-27 19:43:04
○A188.68.35.262017-04-06 → 2017-04-06 · 4 obs
○ 2016-09-18 06:42:54
● 2017-04-06 05:59:32
○ 2026-03-26 08:21:30
○ 2026-03-27 19:43:04
●A2a01:238:20a:202:1088::2026-03-26 → 2026-03-27 · 3 obs
○ 2017-04-06 05:59:32
● 2026-03-26 08:21:30
● 2026-03-27 19:43:04
●A81.169.145.882026-03-26 → 2026-03-27 · 3 obs
○ 2017-04-06 05:59:32
● 2026-03-26 08:21:30
● 2026-03-27 19:43:04
○A91.247.145.292015-07-02 → 2016-09-18 · 4 obs
● 2015-07-02 01:06:14
● 2016-09-18 06:42:54
○ 2017-04-06 05:59:32
○ 2026-03-27 19:43:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
duc-bw.dedocks11.rzone.de, shades19.rzone.de-

✅ Authoritative Response

Server:185.132.34.146

NS records: docks11.rzone.de, shades19.rzone.de

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

No DNSKEY for de

⏱️ Timing

Total: 879ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.88
AAAA12a01:238:20a:202:1088::
NS2docks11.rzone.de, shades19.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1docks11.rzone.de hostmaster.strato-rz.de

Analysis

IP Addresses

duc-bw.de points to two IP numbers: 2a01:238:20a:202:1088:: and 81.169.145.88.

Other host names, for instance abicmd.de, dermatze.de, maxboehmer.de, arthol.com and home4students.fr share IP numbers with duc-bw.de.

Name Servers

duc-bw.de is delegated to two name servers: docks11.rzone.de and shades19.rzone.de.

duc-bw.de uses the same name server setup as other domains, for instance anhold.de, bf-services.com, greetsiel.nl, altkemper-akademie.de and 27f.de.

duc-bw.de shares name servers with other domains at least partially, for instance janapuls.de, sevillecityguide.com, sommer-services.de, german-maritime.de and karpathos-cars.com.

these name servers are commonly used with the name servers shades14.rzone.de, shades20.rzone.de, shades10.rzone.de, shades13.rzone.de, shades06.rzone.de, docks15.rzone.de, docks03.rzone.de, shades05.rzone.de, docks01.rzone.de and docks14.rzone.de.

Host names with two IP numbers:

The host docks11.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:11 and 217.160.80.138.

The host shades19.rzone.de points to 2607:f1c0:fe:53:185:132:34:146 and 185.132.34.146.

Mail Servers

The mail server for duc-bw.de is smtpin.rzone.de.

duc-bw.de shares the same mail server setup as other domains, including dedie.de, singenderwirt-harzundheide.de, kirchbauer-reisen.de, peter-kern.com and toolpage.org.

Host name smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.