system-bau.org - robtex.com

system-bau.org

DNSSEC⚠️ Not signed
A80.155.142.154🇩🇪 DTAG80.152.0.0/14 Deutsche Telekom AG, Internet service provider
NSns.udag.de ⭐
A2001:8d8:fe:53:217:160:80:253🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns.udag.de
A217.160.80.253🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns.udag.de
NSns.udag.net
A2607:f1c0:fe:53:185:132:33:253🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns.udag.net
A185.132.33.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns.udag.net
NSns.udag.org
A2607:f1c0:fe:53:185:132:34:253🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns.udag.org
A185.132.34.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns.udag.org
MXmx23a.antispameurope.com ⭐
A94.100.132.100🇩🇪 MK-NETZDIENSTE-AS94.100.132.0/23 ANTISPAMEUROPE-NET via AS25394
PTRhsmx01.antispameurope.com
MXmx23b.antispameurope.com(20)
A83.246.65.100🇩🇪 SSERV-AS83.246.0.0/17 kyberio GmbH
PTRnlb01-hz2.hornetsecurity.com.65.246.83.in-addr.arpa
MXmx23c.antispameurope.com(30)
A94.100.134.10🇩🇪 NCORE-AS94.100.134.0/24 antispameurope GmbH via as12676
PTRhsmx06.antispameurope.com
MXmx23d.antispameurope.com(40)
A83.246.65.85🇩🇪 SSERV-AS83.246.0.0/17 kyberio GmbH
PTRhsmx01-hz2.antispameurope.com
TXTv=spf1 include:antispameurope.com ~all
SOAns.udag.dehostmaster@united-domains.de 2021-04-14 #7

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1774809417

Same first word

system-bau.immo
system-bau.net
system-bau.it
system-bau.at
system-bau.biz
system-bau.info
system-bau.de
system-bau.com
system-bau.org

Similar names

bau-system.com
bau-system.at
bau-system.de

DNS History

11 records (8 active, 3 former)

20162017201820192020202120222023202420252026NSns.udag.dens.udag.netns.udag.orgMXmx23a.antispameurope.commx23b.antispameurope.commx23c.antispameurope.commx23d.antispameurope.commail.freers.netmail.freers.orgA80.155.142.15481.14.170.26
●NSns.udag.de2015-08-17 → 2026-03-29 · 2 obs
● 2015-08-17 04:52:40
● 2026-03-29 18:50:28
●NSns.udag.net2015-08-17 → 2026-03-29 · 2 obs
● 2015-08-17 04:52:40
● 2026-03-29 18:50:28
●NSns.udag.org2015-08-17 → 2026-03-29 · 2 obs
● 2015-08-17 04:52:40
● 2026-03-29 18:50:28
○MXmail.freers.net2015-08-17 → 2017-04-10 · 4 obs
● 2015-08-17 04:52:40
● 2017-04-10 21:34:22
○ 2026-02-15 02:09:38
○ 2026-03-29 18:50:28
○MXmail.freers.org2015-08-17 → 2017-04-10 · 4 obs
● 2015-08-17 04:52:40
● 2017-04-10 21:34:22
○ 2026-02-15 02:09:38
○ 2026-03-29 18:50:28
●MXmx23a.antispameurope.com2026-02-15 → 2026-03-29 · 3 obs
○ 2017-04-10 21:34:22
● 2026-02-15 02:09:38
● 2026-03-29 18:50:28
●MXmx23b.antispameurope.com2026-02-15 → 2026-03-29 · 3 obs
○ 2017-04-10 21:34:22
● 2026-02-15 02:09:38
● 2026-03-29 18:50:28
●MXmx23c.antispameurope.com2026-02-15 → 2026-03-29 · 3 obs
○ 2017-04-10 21:34:22
● 2026-02-15 02:09:38
● 2026-03-29 18:50:28
●MXmx23d.antispameurope.com2026-02-15 → 2026-03-29 · 3 obs
○ 2017-04-10 21:34:22
● 2026-02-15 02:09:38
● 2026-03-29 18:50:28
●A80.155.142.1542026-02-15 → 2026-03-29 · 3 obs
○ 2017-04-10 21:34:22
● 2026-02-15 02:09:38
● 2026-03-29 18:50:28
○A81.14.170.262015-08-17 → 2017-04-10 · 4 obs
● 2015-08-17 04:52:40
● 2017-04-10 21:34:22
○ 2026-02-15 02:09:38
○ 2026-03-29 18:50:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org-
system-bau.orgns.udag.net, ns.udag.de, ns.udag.org2 records

✅ Authoritative Response

Server:185.132.34.253

NS records: ns.udag.net, ns.udag.de, ns.udag.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for system-bau.org (unsigned zone)

⏱️ Timing

Total: 402ms | Queries: -

📄 Records

TypeCountSample Data
A180.155.142.154
NS3ns.udag.org, ns.udag.de...
MX4mx23b.antispameurope.com (pri: 20), mx23a.antispameurope.com (pri: 10)...
TXT1v=spf1 include:antispameurope.com ~all
SOA1ns.udag.de hostmaster.united-domains.de

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.udag.org, ns.udag.org)

Analysis

IP Addresses

system-bau.org points to a single IP number: 80.155.142.154.

Other host names, for instance freers.org, freers.biz, mail.freers.org, gewo.eu and system-bau.net share IP numbers with system-bau.org.

Name Servers

The delegation for system-bau.org is handled by three name servers: ns.udag.de, ns.udag.net and ns.udag.org.

system-bau.org at least partially shares name servers with other domains, for instance nfc.info, autotote.eu, motorradshop-ahlers.de, friseur-recklinghausen.com and 0bt.de.

Two IP numbers per host:

ns.udag.de points to 2001:8d8:fe:53:217:160:80:253 and 217.160.80.253.

ns.udag.net points to 2607:f1c0:fe:53:185:132:33:253 and 185.132.33.253.

ns.udag.org points to 2607:f1c0:fe:53:185:132:34:253 and 185.132.34.253.

Mail Servers

system-bau.org is handled by four mail servers: mx23a.antispameurope.com, mx23b.antispameurope.com, mx23c.antispameurope.com and mx23d.antispameurope.com.

system-bau.org shares mail servers with other domains at least in part, for instance leyendecker-heil.de, dango-dienenthal.de, inselev.info, wedell-sylt.de and karlshoehe.de.

Host names with a single IP address

mx23a.antispameurope.com points to 94.100.132.100

mx23b.antispameurope.com points to 83.246.65.100

mx23c.antispameurope.com points to 94.100.134.10

mx23d.antispameurope.com points to 83.246.65.85