bdsu.de - robtex.com

bdsu.de

DNSSEC⚠️ Not signed
A2a01:4f8:13a:1b96::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A195.201.195.233🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC
NSns1.first-ns.de ⭐
A2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.first-ns.de
A213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns1.first-ns.de
NSrobotns2.second-ns.de
A2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRrobotns2.second-ns.de
A213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRrobotns2.second-ns.de
NSrobotns3.second-ns.com
A2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRrobotns3.second-ns.com
A193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRrobotns3.second-ns.com
MXbdsu-de.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::5🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db3pr0202cu00205.inbound.protection.outlook.com
A2a01:111:f403:ca04::e🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db8pr02cu00106.inbound.protection.outlook.com
A2a01:111:f403:ca04::f🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00507.inbound.protection.outlook.com
A2a01:111:f403:ca09::c🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00304.inbound.protection.outlook.com
A52.101.68.3🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00403.inbound.protection.outlook.com
A52.101.68.5🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-du2pr03cu00105.inbound.protection.outlook.com
A52.101.73.6🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am6pr04cu00306.inbound.protection.outlook.com
A52.101.73.8🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am0pr04cu00500.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com a include:servers.mcsv.net -all
SOAns1.first-ns.dewebmaster@bdsu.de 2026-02-19 #0

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=1771291602
🔒 HSTS Preload (+subdomains)
WOT: SAFE (62/100)

PTR for

233.195.201.195.in-addr.arpa

Same first word

bdsu.ru
bdsu.de
bdsu.com

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DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSns1.first-ns.derobotns2.second-ns.derobotns3.second-ns.comns1.hans.hosteurope.dens2.hans.hosteurope.deMXbdsu-de.mail.protection.outlook.combdsu-de.mail.eo.outlook.commx0.bdsu.demx1.ms90764351.msv1.invalid.outlook.comva3outboundpool.messaging.microsoft.comA195.201.195.2332a01:4f8:13a:1b96::25.35.226.12780.237.132.119
●NSns1.first-ns.de2026-02-24 → 2026-02-24 · 3 obs
○ 2017-05-05 08:04:04
● 2026-02-24 23:00:20
● 2026-02-24 23:00:22
○NSns1.hans.hosteurope.de2015-06-25 → 2017-05-05 · 4 obs
● 2015-06-25 09:27:54
● 2017-05-05 08:04:04
○ 2026-02-24 23:00:20
○ 2026-02-24 23:00:22
○NSns2.hans.hosteurope.de2015-06-25 → 2017-05-05 · 4 obs
● 2015-06-25 09:27:54
● 2017-05-05 08:04:04
○ 2026-02-24 23:00:20
○ 2026-02-24 23:00:22
●NSrobotns2.second-ns.de2026-02-24 → 2026-02-24 · 3 obs
○ 2017-05-05 08:04:04
● 2026-02-24 23:00:20
● 2026-02-24 23:00:22
●NSrobotns3.second-ns.com2026-02-24 → 2026-02-24 · 3 obs
○ 2017-05-05 08:04:04
● 2026-02-24 23:00:20
● 2026-02-24 23:00:22
○MXbdsu-de.mail.eo.outlook.com2015-06-25 → 2017-05-05 · 4 obs
● 2015-06-25 09:27:54
● 2017-05-05 08:04:04
○ 2026-02-24 23:00:20
○ 2026-02-24 23:00:22
●MXbdsu-de.mail.protection.outlook.com2026-02-24 → 2026-02-24 · 3 obs
○ 2017-05-05 08:04:04
● 2026-02-24 23:00:20
● 2026-02-24 23:00:22
○MXmx0.bdsu.de2015-06-25 → 2017-05-05 · 4 obs
● 2015-06-25 09:27:54
● 2017-05-05 08:04:04
○ 2026-02-24 23:00:20
○ 2026-02-24 23:00:22
○MXmx1.ms90764351.msv1.invalid.outlook.com2015-06-25 → 2017-05-05 · 4 obs
● 2015-06-25 09:27:54
● 2017-05-05 08:04:04
○ 2026-02-24 23:00:20
○ 2026-02-24 23:00:22
○MXva3outboundpool.messaging.microsoft.com2015-06-25 → 2017-05-05 · 4 obs
● 2015-06-25 09:27:54
● 2017-05-05 08:04:04
○ 2026-02-24 23:00:20
○ 2026-02-24 23:00:22
●A195.201.195.2332026-02-24 → 2026-02-24 · 3 obs
○ 2017-05-05 08:04:04
● 2026-02-24 23:00:20
● 2026-02-24 23:00:22
●A2a01:4f8:13a:1b96::22026-02-24 → 2026-02-24 · 3 obs
○ 2017-05-05 08:04:04
● 2026-02-24 23:00:20
● 2026-02-24 23:00:22
○A5.35.226.1272016-01-29 → 2017-05-05 · 5 obs
○ 2015-11-07 15:12:48
● 2016-01-29 10:16:22
● 2017-05-05 08:04:04
○ 2026-02-24 23:00:20
○ 2026-02-24 23:00:22
○A80.237.132.1192015-06-25 → 2015-11-07 · 4 obs
● 2015-06-25 09:27:54
● 2015-11-07 15:12:48
○ 2016-01-29 10:16:22
○ 2026-02-24 23:00:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bdsu.derobotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de-

✅ Authoritative Response

Server: 193.47.99.3

NS records: robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bdsu.de (unsigned zone)

⏱️ Timing

Total: 2549ms | Queries: -

📄 Records

TypeCountSample Data
A1195.201.195.233
AAAA12a01:4f8:13a:1b96::2
NS3robotns2.second-ns.de, robotns3.second-ns.com...
MX1bdsu-de.mail.protection.outlook.com (pri
TXT1v=spf1 include:spf.protection.outlook.co
SOA1ns1.first-ns.de webmaster.bdsu.de

AI analysis

bdsu.de has two IP numbers: 2a01:4f8:13a:1b96::2 and 195.201.195.233.

Other host names, for instance beratenistbewegen.de, bdsyounet.de and bdsu-trainerakademie.de share IP numbers with bdsu.de.

bdsu.de is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

bdsu.de at least partially shares name servers with other domains, including haktar.de, schmidt-waldshut.de, mussbach.info, zahaira-card.de and regionen.at.

Host names with two IP numbers:

robotns3.second-ns.com: 2001:67c:192c::add:a3 and 193.47.99.3

ns1.first-ns.de: 2a01:4f8:0:a101::a:1 and 213.239.242.238

robotns2.second-ns.de: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103

A single mail server handles bdsu.de, bdsu-de.mail.protection.outlook.com.

Host bdsu-de.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:ca04::5, 2a01:111:f403:ca04::e, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::c, 52.101.68.3, 52.101.68.5, 52.101.73.6 and 52.101.73.8.