arum-computer.de - robtex.com

arum-computer.de

DNSSEC⚠️ Not signed
A45.87.136.2🇩🇪 TTM45.87.136.0/24
PTRhosting.braler.de
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
MXarumcomputer-de01b.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::6🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00406.inbound.protection.outlook.com
A2a01:111:f403:ca04::10🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-dbapr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca09::2🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am0pr83cu00402.inbound.protection.outlook.com
A2a01:111:f403:ca09::20🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00400.inbound.protection.outlook.com
A52.101.68.39🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00607.inbound.protection.outlook.com
A52.101.73.11🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am1pr04cu00103.inbound.protection.outlook.com
A52.101.73.26🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr05cu01302.inbound.protection.outlook.com
A52.101.73.30🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00306.inbound.protection.outlook.com
TXTmscid=qMnoLntlLZ7bTNUrx30+fbUP2cQq1lFpQsOWIjoGJxgokW/JjYiXsB353SOpTBTtQRzsE06...
TXTv=spf1 include:spf.protection.outlook.com -all
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=1774608123

Same first word

arum-computer.de

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSns1.bdm.microsoftonline.comns2.bdm.microsoftonline.comns3.bdm.microsoftonline.comns4.bdm.microsoftonline.comcns1.alfahosting.infocns2.alfahosting.infocns3.alfahosting.infodaisy.ns.cloudflare.comscott.ns.cloudflare.comMXarumcomputer-de01b.mail.protection.outlook.commail.arum-computer.deA45.87.136.2104.31.76.43104.31.77.43109.237.132.6180.246.62.69
○NScns1.alfahosting.info2015-05-14 → 2016-09-21 · 4 obs
● 2015-05-14 16:11:44
● 2016-09-21 03:44:02
○ 2017-04-20 01:07:28
○ 2026-03-27 10:44:18
○NScns2.alfahosting.info2015-05-14 → 2016-09-21 · 4 obs
● 2015-05-14 16:11:44
● 2016-09-21 03:44:02
○ 2017-04-20 01:07:28
○ 2026-03-27 10:44:18
○NScns3.alfahosting.info2015-05-14 → 2016-09-21 · 4 obs
● 2015-05-14 16:11:44
● 2016-09-21 03:44:02
○ 2017-04-20 01:07:28
○ 2026-03-27 10:44:18
○NSdaisy.ns.cloudflare.com2017-04-20 → 2017-04-20 · 4 obs
○ 2016-09-21 03:44:02
● 2017-04-20 01:07:28
○ 2026-03-11 14:13:10
○ 2026-03-27 10:44:18
●NSns1.bdm.microsoftonline.com2026-03-11 → 2026-03-27 · 3 obs
○ 2017-04-20 01:07:28
● 2026-03-11 14:13:10
● 2026-03-27 10:44:18
●NSns2.bdm.microsoftonline.com2026-03-11 → 2026-03-27 · 3 obs
○ 2017-04-20 01:07:28
● 2026-03-11 14:13:10
● 2026-03-27 10:44:18
●NSns3.bdm.microsoftonline.com2026-03-11 → 2026-03-27 · 3 obs
○ 2017-04-20 01:07:28
● 2026-03-11 14:13:10
● 2026-03-27 10:44:18
●NSns4.bdm.microsoftonline.com2026-03-11 → 2026-03-27 · 3 obs
○ 2017-04-20 01:07:28
● 2026-03-11 14:13:10
● 2026-03-27 10:44:18
○NSscott.ns.cloudflare.com2017-04-20 → 2017-04-20 · 4 obs
○ 2016-09-21 03:44:02
● 2017-04-20 01:07:28
○ 2026-03-11 14:13:10
○ 2026-03-27 10:44:18
●MXarumcomputer-de01b.mail.protection.outlook.com2026-03-11 → 2026-03-27 · 3 obs
○ 2017-04-20 01:07:28
● 2026-03-11 14:13:10
● 2026-03-27 10:44:18
○MXmail.arum-computer.de2015-05-14 → 2017-04-20 · 4 obs
● 2015-05-14 16:11:44
● 2017-04-20 01:07:28
○ 2026-03-11 14:13:10
○ 2026-03-27 10:44:18
○A104.31.76.432017-04-20 → 2017-04-20 · 4 obs
○ 2016-09-21 03:44:02
● 2017-04-20 01:07:28
○ 2026-03-11 14:13:10
○ 2026-03-27 10:44:18
○A104.31.77.432017-04-20 → 2017-04-20 · 4 obs
○ 2016-09-21 03:44:02
● 2017-04-20 01:07:28
○ 2026-03-11 14:13:10
○ 2026-03-27 10:44:18
○A109.237.132.612015-10-13 → 2016-09-21 · 5 obs
○ 2015-05-14 16:11:44
● 2015-10-13 03:02:10
● 2016-09-21 03:44:02
○ 2017-04-20 01:07:28
○ 2026-03-27 10:44:18
●A45.87.136.22026-03-11 → 2026-03-27 · 3 obs
○ 2017-04-20 01:07:28
● 2026-03-11 14:13:10
● 2026-03-27 10:44:18
○A80.246.62.692015-05-14 → 2015-05-14 · 3 obs
● 2015-05-14 16:11:44
○ 2015-10-13 03:02:10
○ 2026-03-27 10:44:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
arum-computer.dens1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com-

✅ Authoritative Response

Server:208.84.5.208

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for arum-computer.de (unsigned zone)

⏱️ Timing

Total: 597ms | Queries: -

📄 Records

TypeCountSample Data
A145.87.136.2
NS4ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...
MX1arumcomputer-de01b.mail.protection.outlo
TXT2v=spf1 include:spf.protection.outlook.co, mscid=qMnoLntlLZ7bTNUrx30+fbUP2cQq1lFpQs
SOA1ns1.bdm.microsoftonline.com azuredns-hos

Analysis

IP Addresses

arum-computer.de resolves to a single IP: 45.87.136.2.

Other host names, for instance mail.my-adventskalender.de, steinreiniger.ag, my-adventskalender.de, www.my-adventskalender.de and rohrsanierungen24.de share IP numbers with arum-computer.de.

Name Servers

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

arum-computer.de shares some name servers with other domains, for example jd-media.co.uk, tcnl.nl, orav.eu, jenningsps.com and xits.co.uk.

Host names with two IP numbers

Two IPs per host:

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

arum-computer.de is handled by a single mail server, arumcomputer-de01b.mail.protection.outlook.com.

Host arumcomputer-de01b.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::2, 2a01:111:f403:ca09::20, 52.101.68.39, 52.101.73.11, 52.101.73.26 and 52.101.73.30.