it-schuler.de - robtex.com

it-schuler.de

DNSSEC⚠️ Not signed
NSns1.bdm.microsoftonline.com ⭐
A2603:1061:0:700::d0🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-208.azure-dns.com
A13.107.236.208🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-208.azure-dns.com
NSns2.bdm.microsoftonline.com
A2620:1ec:8ec:700::d0🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-208.azure-dns.net
A150.171.21.208🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-208.azure-dns.net
NSns3.bdm.microsoftonline.com
A2a01:111:4000:700::d0🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-208.azure-dns.org
A204.14.183.208🇺🇸 Microsoft204.14.180.0/22
PTRns3-208.azure-dns.org
NSns4.bdm.microsoftonline.com
A2620:1ec:bda:700::d0🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-208.azure-dns.info
A208.84.5.208🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-208.azure-dns.info
MXitschuler-de0e.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::1🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:ca04::4🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca04::5🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db3pr0202cu00205.inbound.protection.outlook.com
A2a01:111:f403:ca04::7🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00307.inbound.protection.outlook.com
A52.101.68.0🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A52.101.68.16🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00400.inbound.protection.outlook.com
A52.101.68.21🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00205.inbound.protection.outlook.com
A52.101.73.11🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am1pr04cu00103.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
TXTmscid=/SW/Ng3hBnBnCfytKz6agOO8RS0a3s9yTQREFshcx4/VPnOhGTkcUJYfoaYdGnKgxyMIiXE...
SOAns1.bdm.microsoftonline.comazuredns-hostmaster@microsoft.com serial=1

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=1777350278

Same first word

it-schuler.de

Similar names

schuler-it.ch
schuler-it.de

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSns1.bdm.microsoftonline.comns2.bdm.microsoftonline.comns3.bdm.microsoftonline.comns4.bdm.microsoftonline.comns.second-ns.comns1.your-server.dens3.second-ns.deMXitschuler-de0e.mail.protection.outlook.commail.it-schuler.deA188.40.26.208
○NSns.second-ns.com2015-07-26 → 2016-03-22 · 4 obs
● 2015-07-26 11:58:10
● 2016-03-22 00:10:38
○ 2016-09-19 15:34:10
○ 2026-04-28 04:26:58
●NSns1.bdm.microsoftonline.com2026-04-28 → 2026-04-28 · 2 obs
○ 2016-09-19 15:34:10
● 2026-04-28 04:26:58
○NSns1.your-server.de2015-07-26 → 2016-03-22 · 4 obs
● 2015-07-26 11:58:10
● 2016-03-22 00:10:38
○ 2016-09-19 15:34:10
○ 2026-04-28 04:26:58
●NSns2.bdm.microsoftonline.com2026-04-28 → 2026-04-28 · 2 obs
○ 2016-09-19 15:34:10
● 2026-04-28 04:26:58
●NSns3.bdm.microsoftonline.com2026-04-28 → 2026-04-28 · 2 obs
○ 2016-09-19 15:34:10
● 2026-04-28 04:26:58
○NSns3.second-ns.de2015-07-26 → 2016-03-22 · 4 obs
● 2015-07-26 11:58:10
● 2016-03-22 00:10:38
○ 2016-09-19 15:34:10
○ 2026-04-28 04:26:58
●NSns4.bdm.microsoftonline.com2026-04-28 → 2026-04-28 · 2 obs
○ 2016-09-19 15:34:10
● 2026-04-28 04:26:58
●MXitschuler-de0e.mail.protection.outlook.com2026-04-28 → 2026-04-28 · 2 obs
○ 2016-09-19 15:34:10
● 2026-04-28 04:26:58
○MXmail.it-schuler.de2015-07-26 → 2016-03-22 · 4 obs
● 2015-07-26 11:58:10
● 2016-03-22 00:10:38
○ 2016-09-19 15:34:10
○ 2026-04-28 04:26:58
○A188.40.26.2082015-07-26 → 2016-03-22 · 4 obs
● 2015-07-26 11:58:10
● 2016-03-22 00:10:38
○ 2016-09-19 15:34:10
○ 2026-04-28 04:26:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
it-schuler.dens3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com-

✅ Authoritative Response

Server:204.14.183.208

NS records: ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for it-schuler.de (unsigned zone)

⏱️ Timing

Total: 826ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...
MX1itschuler-de0e.mail.protection.outlook.c
TXT2v=spf1 include:spf.protection.outlook.co, mscid=/SW/Ng3hBnBnCfytKz6agOO8RS0a3s9yTQ
SOA1ns1.bdm.microsoftonline.com azuredns-hos

Analysis

Name Servers

it-schuler.de is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

it-schuler.de at least partially shares name servers with other domains such as ad-developments.co.uk, secufogo.net, tehmcorp.com, ekonza.se and brandonamos.co.uk.

Host names with two IP numbers:

ns1.bdm.microsoftonline.com points to 2603:1061:0:700::d0 and 13.107.236.208

ns2.bdm.microsoftonline.com points to 2620:1ec:8ec:700::d0 and 150.171.21.208

ns3.bdm.microsoftonline.com points to 2a01:111:4000:700::d0 and 204.14.183.208

ns4.bdm.microsoftonline.com points to 2620:1ec:bda:700::d0 and 208.84.5.208

Mail Servers

it-schuler.de is handled by a single mail server, itschuler-de0e.mail.protection.outlook.com.

itschuler-de0e.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::1, 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::5, 2a01:111:f403:ca04::7, 52.101.68.0, 52.101.68.16, 52.101.68.21 and 52.101.73.11.