leanstack.systems - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

leanstack.systems

DNSSEC⚠️ Not signed
A213.239.219.83🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRstatic.213-239-219-83.clients.your-server.de
NSns1029.ui-dns.biz ⭐
A2607:f1c0:fe:53:185:132:33:29🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1029.ui-dns.biz
A185.132.33.29🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1029.ui-dns.biz
NSns1060.ui-dns.org
NSns1103.ui-dns.com
A2607:f1c0:fe:53:185:132:34:103🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1103.ui-dns.com
A185.132.34.103🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1103.ui-dns.com
NSns1126.ui-dns.de
A2607:f1c0:fe:53:185:132:32:126🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1126.ui-dns.de
A185.132.32.126🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1126.ui-dns.de
MXleanstack-systems.mail.protection.outlook.com ⭐
A2a01:111:f403:ca27::🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-beup281cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca2d::🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca2d::1🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A2a01:111:f403:ca2d::2🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
A52.101.168.0🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-beup281cu00100.inbound.protection.outlook.com
A52.101.170.0🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A52.101.170.1🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A52.101.170.2🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com ~all
TXTv=verifydomain MS=9892176
SOAns1029.ui-dns.bizhostmaster@1und1.com 2017-06-01 #56

systems

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.systems ⭐
NSv0n1.nic.systems
NSv0n2.nic.systems
NSv0n3.nic.systems
NSv2n0.nic.systems
NSv2n1.nic.systems
SOAv0n0.nic.systemshostmaster@donuts.email serial=1789152687

Same first word

leanstack.ai
leanstack.ph
leanstack.co
leanstack.app
leanstack.org
leanstack.systems
leanstack.blog
leanstack.com.mx
leanstack.au
leanstack.us
leanstack.dev
leanstack.workers.dev
leanstack.me
leanstack.io
leanstack.net
leanstack.com

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Previous names

leadtracker.systems
leadventure.systems
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leadz.systems
leaf.systems
leaffilter.systems
league.systems
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leakdetection.systems
leal.systems
lean-management.systems
lean-manufacturing.systems
lean-production.systems
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leanbusiness.systems
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Next names

leanstartup.systems
leapfrog.systems
leapspace.systems
learn.systems
learn2code.systems
learncore.systems
learndesign.systems
learning-management.systems
learning.systems
learningbox.systems
learningeco.systems
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leaseplan.systems
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leaside.systems
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lectern.systems

DNS History

6 records (6 active, 0 former)

NSns1029.ui-dns.bizns1060.ui-dns.orgns1103.ui-dns.comns1126.ui-dns.deMXleanstack-systems.mail.protection.outlook.comA213.239.219.83
●NSns1029.ui-dns.biz2026-09-05 → 2026-09-11 · 2 obs
● 2026-09-05 05:54:22
● 2026-09-11 19:13:20
●NSns1060.ui-dns.org2026-09-05 → 2026-09-11 · 2 obs
● 2026-09-05 05:54:22
● 2026-09-11 19:13:20
●NSns1103.ui-dns.com2026-09-05 → 2026-09-11 · 2 obs
● 2026-09-05 05:54:22
● 2026-09-11 19:13:20
●NSns1126.ui-dns.de2026-09-05 → 2026-09-11 · 2 obs
● 2026-09-05 05:54:22
● 2026-09-11 19:13:20
●MXleanstack-systems.mail.protection.outlook.com2026-09-05 → 2026-09-11 · 4 obs
● 2026-09-05 05:54:22
○ 2026-09-10 22:56:12
● 2026-09-11 01:20:18
● 2026-09-11 19:13:20
●A213.239.219.832026-09-05 → 2026-09-11 · 4 obs
● 2026-09-05 05:54:22
○ 2026-09-10 22:56:12
● 2026-09-11 01:20:18
● 2026-09-11 19:13:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
systemsv0n0.nic.systems, v0n1.nic.systems, v0n2.nic.systems, v0n3.nic.systems...12 records
leanstack.systemsns1126.ui-dns.de, ns1029.ui-dns.biz, ns1060.ui-dns.org, ns1103.ui-dns.com-

✅ Authoritative Response

Server:185.132.32.126

NS records: ns1126.ui-dns.de, ns1029.ui-dns.biz, ns1060.ui-dns.org, ns1103.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leanstack.systems (unsigned zone)

⏱️ Timing

Total: 797ms | Queries: -

📄 Records

TypeCountSample Data
A1213.239.219.83
NS4ns1029.ui-dns.biz, ns1060.ui-dns.org...
MX1leanstack-systems.mail.protection.outloo
TXT2v=spf1 include:spf.protection.outlook.co, v=verifydomain MS=9892176
SOA1ns1029.ui-dns.biz hostmaster.1und1.com

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.systems, v0n1.nic.systems, v0n2.nic.systems...)

Analysis

IP Addresses

leanstack.systems has exactly one IP address — 213.239.219.83.

Other host names share IP numbers with leanstack.systems; weinreich.digital is one such example.

Name Servers

Four name servers handle the delegation for leanstack.systems: ns1029.ui-dns.biz, ns1103.ui-dns.com, ns1126.ui-dns.de and ns1060.ui-dns.org.

leanstack.systems shares at least some of its name servers with other domains, including mdlanguage.com, babette-its-me.com, rsc-wind.com and two others.

These name servers are frequently seen alongside ns1029.ui-dns.com, ns1029.ui-dns.de, ns1029.ui-dns.org and 7 other name servers.

ns1029.ui-dns.biz resolves to 185.132.33.29 and 2607:f1c0:fe:53:185:132:33:29. ns1103.ui-dns.com resolves to 185.132.34.103 and 2607:f1c0:fe:53:185:132:34:103. ns1126.ui-dns.de resolves to 185.132.32.126 and 2607:f1c0:fe:53:185:132:32:126. All three hostnames point to two IP numbers each.

Mail Servers

leanstack.systems uses one mail server — leanstack-systems.mail.protection.outlook.com.

leanstack-systems.mail.protection.outlook.com has 8 IP addresses: 52.101.168.0, 52.101.170.0, 52.101.170.1 plus 5 more.