linux-duesseldorf.de - robtex.com

linux-duesseldorf.de

DNSSEC⚠️ Not signed
A2a01:4f8:171:12a0::3🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmail.linux-duesseldorf.de
A136.243.144.54🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3
NSns1.first-ns.de ⭐
A2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.first-ns.de
A213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns1.first-ns.de
NSrobotns2.second-ns.de
A2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRrobotns2.second-ns.de
A213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRrobotns2.second-ns.de
NSrobotns3.second-ns.com
A2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRrobotns3.second-ns.com
A193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRrobotns3.second-ns.com
MXmail.telemir.de ⭐
A2a01:4f8:171:12a0::3🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmail.linux-duesseldorf.de
A136.243.144.54🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3
PTRmail.linux-duesseldorf.de
TXTv=spf1 mx a:mail.linux-duesseldorf.de -all
SOAns1.first-ns.dedns@hetzner.com 2026-04-14 #0

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=1778564883

Subdomains

mail.linux-duesseldorf.de

Same first word

linux-duesseldorf.de

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSns1.first-ns.derobotns2.second-ns.derobotns3.second-ns.comns.namespace4you.dens2.namespace4you.deMXmail.telemir.demail.linux-duesseldorf.deA136.243.144.542a01:4f8:171:12a0::32a01:4f8:120:63ab::22a01:4f8:201:42ca::278.46.63.16078.46.90.241
○NSns.namespace4you.de2015-07-11 → 2015-12-26 · 4 obs
● 2015-07-11 17:48:28
● 2015-12-26 23:19:42
○ 2016-03-29 05:13:18
○ 2026-05-12 06:10:40
●NSns1.first-ns.de2016-03-29 → 2026-05-12 · 3 obs
○ 2015-12-26 23:19:42
● 2016-03-29 05:13:18
● 2026-05-12 06:10:40
○NSns2.namespace4you.de2015-07-11 → 2015-12-26 · 4 obs
● 2015-07-11 17:48:28
● 2015-12-26 23:19:42
○ 2016-03-29 05:13:18
○ 2026-05-12 06:10:40
●NSrobotns2.second-ns.de2016-03-29 → 2026-05-12 · 3 obs
○ 2015-12-26 23:19:42
● 2016-03-29 05:13:18
● 2026-05-12 06:10:40
●NSrobotns3.second-ns.com2016-03-29 → 2026-05-12 · 3 obs
○ 2015-12-26 23:19:42
● 2016-03-29 05:13:18
● 2026-05-12 06:10:40
○MXmail.linux-duesseldorf.de2015-07-11 → 2017-03-30 · 4 obs
● 2015-07-11 17:48:28
● 2017-03-30 12:25:48
○ 2026-02-17 23:50:12
○ 2026-05-12 06:10:40
●MXmail.telemir.de2026-02-17 → 2026-05-12 · 3 obs
○ 2017-03-30 12:25:48
● 2026-02-17 23:50:12
● 2026-05-12 06:10:40
●A136.243.144.542026-02-17 → 2026-05-12 · 3 obs
○ 2017-03-30 12:25:48
● 2026-02-17 23:50:12
● 2026-05-12 06:10:40
○A2a01:4f8:120:63ab::22017-03-30 → 2017-03-30 · 4 obs
○ 2016-08-12 01:18:50
● 2017-03-30 12:25:48
○ 2026-02-17 23:50:12
○ 2026-05-12 06:10:40
●A2a01:4f8:171:12a0::32026-02-17 → 2026-05-12 · 3 obs
○ 2017-03-30 12:25:48
● 2026-02-17 23:50:12
● 2026-05-12 06:10:40
○A2a01:4f8:201:42ca::22016-03-29 → 2016-08-12 · 5 obs
○ 2015-07-11 17:48:28
● 2016-03-29 05:13:18
● 2016-08-12 01:18:50
○ 2017-03-30 12:25:48
○ 2026-05-12 06:10:40
○A78.46.63.1602015-07-11 → 2016-08-12 · 4 obs
● 2015-07-11 17:48:28
● 2016-08-12 01:18:50
○ 2017-03-30 12:25:48
○ 2026-05-12 06:10:40
○A78.46.90.2412017-03-30 → 2017-03-30 · 4 obs
○ 2016-08-12 01:18:50
● 2017-03-30 12:25:48
○ 2026-02-17 23:50:12
○ 2026-05-12 06:10:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
linux-duesseldorf.dens1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com-

✅ Authoritative Response

Server:213.133.100.103

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linux-duesseldorf.de (unsigned zone)

⏱️ Timing

Total: 678ms | Queries: -

📄 Records

TypeCountSample Data
A1136.243.144.54
AAAA12a01:4f8:171:12a0::3
NS3robotns3.second-ns.com, ns1.first-ns.de...
MX1mail.telemir.de (pri: 10)
TXT1v=spf1 mx a:mail.linux-duesseldorf.de -a
SOA1ns1.first-ns.de dns.hetzner.com

Analysis

Hierarchy

linux-duesseldorf.de is a parent of mail.linux-duesseldorf.de.

IP Addresses

linux-duesseldorf.de points to two IP numbers: 2a01:4f8:171:12a0::3 and 136.243.144.54.

Other host names, for instance sakura-kai.de, static.54.144.243.136.clients.your-server.de, olga-sokolova.de, mail.telemir.de and mail.linux-duesseldorf.de share IP numbers with linux-duesseldorf.de.

Name Servers

The delegation for linux-duesseldorf.de is handled by three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

linux-duesseldorf.de at least partially shares name servers with other domains, for instance werksmail.de, 12cam.de, kit-server3.de, leglermedia.net and imailu.de.

Two IP numbers per host:

robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3.

ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238.

robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103.

Mail Servers

linux-duesseldorf.de is handled by a single mail server, mail.telemir.de.

linux-duesseldorf.de uses the same mail server setup as other domains, such as telemir.de, saicat.de and sakura-kai.de.

mail.telemir.de resolves to two IP numbers: 2a01:4f8:171:12a0::3 and 136.243.144.54.