postel-engineering.de - robtex.com

postel-engineering.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1158::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRw9e.rzone.de
A81.169.145.158🇩🇪 STRATO81.169.144.0/22 AG
NSdocks07.rzone.de ⭐
A2001:8d8:fe:53:5747:2a74:d:7🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks07.rzone.de
A217.160.80.134🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks07.rzone.de
NSshades16.rzone.de
A2607:f1c0:fe:53:185:132:34:143🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades16.rzone.de
A185.132.34.143🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades16.rzone.de
MXmx01.mailsecurity.cloud ⭐
A188.94.27.200🇩🇪 NMMN-AS188.94.24.0/21 NMMN - New Media Markets & Networks
PTRmx01.mailsecurity.cloud
MXmx02.mailsecurity.cloud ⭐
A188.94.27.201🇩🇪 NMMN-AS188.94.24.0/21 NMMN - New Media Markets & Networks
PTRmx02.mailsecurity.cloud
TXTv=spf1 include:spf.protection.outlook.com include:spf.mailsecurity.cloud -all
SOAdocks07.rzone.dehostmaster@strato-rz.de 2025-04-11 #25

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=1777029199

Subdomains

mail.postel-engineering.de

Same first word

postel-engineering.de

DNS History

20 records (6 active, 14 former)

20162017201820192020202120222023202420252026NSdocks07.rzone.deshades16.rzone.dens1.dogado.dens1.ip-exchange.dens10.nameserverservice.dens2.dogado.dens2.ip-exchange.dens3.dogado.dens4.dogado.dens9.nameserverservice.deMXmx01.mailsecurity.cloudmx02.mailsecurity.cloudmail.postel-engineering.demail07.cloud-core.demail08.cloud-core.deA2a01:238:20a:202:1158::81.169.145.158192.162.85.23162.75.161.5280.190.241.235
●NSdocks07.rzone.de2026-04-10 → 2026-04-24 · 3 obs
○ 2018-09-29 22:08:04
● 2026-04-10 11:12:24
● 2026-04-24 11:14:10
○NSns1.dogado.de2018-09-29 → 2018-09-29 · 4 obs
○ 2016-09-16 09:32:08
● 2018-09-29 22:08:04
○ 2026-04-10 11:12:24
○ 2026-04-24 11:14:10
○NSns1.ip-exchange.de2016-03-10 → 2016-09-16 · 5 obs
○ 2015-12-05 11:26:06
● 2016-03-10 02:13:36
● 2016-09-16 09:32:08
○ 2018-09-29 22:08:04
○ 2026-04-24 11:14:10
○NSns10.nameserverservice.de2015-07-25 → 2015-12-05 · 4 obs
● 2015-07-25 14:34:30
● 2015-12-05 11:26:06
○ 2016-03-10 02:13:36
○ 2026-04-24 11:14:10
○NSns2.dogado.de2018-09-29 → 2018-09-29 · 4 obs
○ 2016-09-16 09:32:08
● 2018-09-29 22:08:04
○ 2026-04-10 11:12:24
○ 2026-04-24 11:14:10
○NSns2.ip-exchange.de2016-03-10 → 2016-09-16 · 5 obs
○ 2015-12-05 11:26:06
● 2016-03-10 02:13:36
● 2016-09-16 09:32:08
○ 2018-09-29 22:08:04
○ 2026-04-24 11:14:10
○NSns3.dogado.de2018-09-29 → 2018-09-29 · 4 obs
○ 2016-09-16 09:32:08
● 2018-09-29 22:08:04
○ 2026-04-10 11:12:24
○ 2026-04-24 11:14:10
○NSns4.dogado.de2018-09-29 → 2018-09-29 · 4 obs
○ 2016-09-16 09:32:08
● 2018-09-29 22:08:04
○ 2026-04-10 11:12:24
○ 2026-04-24 11:14:10
○NSns9.nameserverservice.de2015-07-25 → 2015-12-05 · 4 obs
● 2015-07-25 14:34:30
● 2015-12-05 11:26:06
○ 2016-03-10 02:13:36
○ 2026-04-24 11:14:10
●NSshades16.rzone.de2026-04-10 → 2026-04-24 · 3 obs
○ 2018-09-29 22:08:04
● 2026-04-10 11:12:24
● 2026-04-24 11:14:10
○MXmail.postel-engineering.de2015-07-25 → 2015-12-05 · 4 obs
● 2015-07-25 14:34:30
● 2015-12-05 11:26:06
○ 2016-03-10 02:13:36
○ 2026-04-24 11:14:10
○MXmail07.cloud-core.de2016-03-10 → 2018-09-29 · 5 obs
○ 2015-12-05 11:26:06
● 2016-03-10 02:13:36
● 2018-09-29 22:08:04
○ 2026-04-10 11:12:24
○ 2026-04-24 11:14:10
○MXmail08.cloud-core.de2016-03-10 → 2018-09-29 · 5 obs
○ 2015-12-05 11:26:06
● 2016-03-10 02:13:36
● 2018-09-29 22:08:04
○ 2026-04-10 11:12:24
○ 2026-04-24 11:14:10
●MXmx01.mailsecurity.cloud2026-04-10 → 2026-04-24 · 3 obs
○ 2018-09-29 22:08:04
● 2026-04-10 11:12:24
● 2026-04-24 11:14:10
●MXmx02.mailsecurity.cloud2026-04-10 → 2026-04-24 · 3 obs
○ 2018-09-29 22:08:04
● 2026-04-10 11:12:24
● 2026-04-24 11:14:10
○A192.162.85.2312018-09-29 → 2018-09-29 · 4 obs
○ 2016-09-16 09:32:08
● 2018-09-29 22:08:04
○ 2026-04-10 11:12:24
○ 2026-04-24 11:14:10
●A2a01:238:20a:202:1158::2026-04-10 → 2026-04-24 · 3 obs
○ 2018-09-29 22:08:04
● 2026-04-10 11:12:24
● 2026-04-24 11:14:10
○A62.75.161.522015-07-25 → 2015-12-05 · 4 obs
● 2015-07-25 14:34:30
● 2015-12-05 11:26:06
○ 2016-03-10 02:13:36
○ 2026-04-24 11:14:10
○A80.190.241.2352016-03-10 → 2016-09-16 · 5 obs
○ 2015-12-05 11:26:06
● 2016-03-10 02:13:36
● 2016-09-16 09:32:08
○ 2018-09-29 22:08:04
○ 2026-04-24 11:14:10
●A81.169.145.1582026-04-10 → 2026-04-24 · 3 obs
○ 2018-09-29 22:08:04
● 2026-04-10 11:12:24
● 2026-04-24 11:14:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
postel-engineering.deshades16.rzone.de, docks07.rzone.de-

✅ Authoritative Response

Server:217.160.80.134

NS records: shades16.rzone.de, docks07.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postel-engineering.de (unsigned zone)

⏱️ Timing

Total: 1051ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.158
AAAA12a01:238:20a:202:1158::
NS2shades16.rzone.de, docks07.rzone.de
MX2mx02.mailsecurity.cloud (pri: 20), mx01.mailsecurity.cloud (pri: 20)
TXT1v=spf1 include:spf.protection.outlook.co
SOA1docks07.rzone.de hostmaster.strato-rz.de

Analysis

Hierarchy

postel-engineering.de is the parent of mail.postel-engineering.de.

IP Addresses

postel-engineering.de resolves to two IP numbers: 2a01:238:20a:202:1158:: and 81.169.145.158.

other host names including it-schulungen.mobi, opteg.org, aswm.eu, astmond.com and hirthygiene.com share IP numbers with postel-engineering.de.

Name Servers

postel-engineering.de is delegated to two name servers docks07.rzone.de and shades16.rzone.de.

postel-engineering.de shares the same name server setup as other domains, for instance lobusch.com, schnorr-family.de, sandersippe.de, waldeck-antik.de and vda-gmbh.de.

postel-engineering.de at least partially shares name servers with other domains, for instance knoesel-it.de, gussmann.de, ils-s.de, appsolution.biz and rut24.de.

These name servers are commonly used with the following name servers: shades17.rzone.de, docks17.rzone.de, docks01.rzone.de, shades13.rzone.de, docks18.rzone.de, shades14.rzone.de, shades20.rzone.de, shades02.rzone.de, shades15.rzone.de and docks14.rzone.de.

Host names with two IP numbers:

The host name docks07.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:7 and 217.160.80.134; the host name shades16.rzone.de points to 2607:f1c0:fe:53:185:132:34:143 and 185.132.34.143.

Mail Servers

Two mail servers handle postel-engineering.de: mx01.mailsecurity.cloud and mx02.mailsecurity.cloud.

postel-engineering.de shares the same mail server setup as other domains, for instance psd.de.

Host names with one IP number:

mx01.mailsecurity.cloud points to 188.94.27.200

mx02.mailsecurity.cloud points to 188.94.27.201