ctd-dortmund.de - robtex.com

ctd-dortmund.de

DNSSEC⚠️ Not signed
A162.159.128.70Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns1.routing.net ⭐
A2a03:2900:3:1::2🇩🇪 AS488232a03:2900::/32
PTRns1.routing.net
A134.0.30.178🇩🇪 AS48823134.0.24.0/21
PTRns1.routing.net
NSns2.routing.net
A2001:4d8f:2::2🇩🇪 ROUTING-ANYCAST2001:4d8f::/32
PTRns2.routing.net
A194.50.113.2🇩🇪 ROUTING-ANYCAST194.50.113.0/24 vollmarnet-anycast-route
PTRns2.routing.net
NSns3.routing.net
A2a03:2902:3:1::2🇩🇪 ACCELERATED-IT2a03:2902::/32 IP-Routing by firstcolo
PTRns3.routing.net
A194.126.196.2🇩🇪 ACCELERATED-IT194.126.196.0/24 IP-Routing by Accelerated IT Services GmbH
PTRns3.routing.net
MXmx01.hornetsecurity.com ⭐
A94.100.132.8🇩🇪 MK-NETZDIENSTE-AS94.100.132.0/23 ANTISPAMEUROPE-NET via AS25394
PTRmx01.hornetsecurity.com
MXmx02.hornetsecurity.com(20)
A94.100.136.8🇩🇪 SSERV-AS94.100.136.0/23 ANTISPAMEUROPE via as24679.net
PTRmx02.hornetsecurity.com
MXmx03.hornetsecurity.com(30)
A94.100.134.8🇩🇪 NCORE-AS94.100.134.0/24 antispameurope GmbH via as12676
PTRmx03.hornetsecurity.com
MXmx04.hornetsecurity.com(40)
A94.100.136.7🇩🇪 SSERV-AS94.100.136.0/23 ANTISPAMEUROPE via as24679.net
PTRmx04.hornetsecurity.com
TXTapple-domain-verification=FkdpoBZd2znBqEoA
TXTv=spf1 mx ip4:87.191.168.122 ip4:217.91.164.182 include:spf.protection.outloo...
TXTMS=ms65386492
SOAns1.routing.nethostmaster@ctd-dortmund.de 2026-04-27 #3

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=1778338913
WOT: SAFE (68/100)

Subdomains

mail.ctd-dortmund.de
mail2.ctd-dortmund.de
hafen.ctd-dortmund.de

Same first word

ctd-dortmund.de

DNS History

14 records (8 active, 6 former)

20162017201820192020202120222023202420252026NSns1.routing.netns2.routing.netns3.routing.netMXmx01.hornetsecurity.commx02.hornetsecurity.commx03.hornetsecurity.commx04.hornetsecurity.commx01.routing.netmx02.routing.netmx03.routing.netmxbackup.routing.netA162.159.128.70213.160.69.3213.160.76.57
●NSns1.routing.net2015-05-02 → 2026-05-09 · 2 obs
● 2015-05-02 13:12:32
● 2026-05-09 15:24:52
●NSns2.routing.net2015-05-02 → 2026-05-09 · 2 obs
● 2015-05-02 13:12:32
● 2026-05-09 15:24:52
●NSns3.routing.net2015-05-02 → 2026-05-09 · 2 obs
● 2015-05-02 13:12:32
● 2026-05-09 15:24:52
●MXmx01.hornetsecurity.com2026-02-16 → 2026-05-09 · 3 obs
○ 2017-05-13 00:25:40
● 2026-02-16 14:21:06
● 2026-05-09 15:24:52
○MXmx01.routing.net2015-05-02 → 2017-05-13 · 4 obs
● 2015-05-02 13:12:32
● 2017-05-13 00:25:40
○ 2026-02-16 14:21:06
○ 2026-05-09 15:24:52
●MXmx02.hornetsecurity.com2026-02-16 → 2026-05-09 · 3 obs
○ 2017-05-13 00:25:40
● 2026-02-16 14:21:06
● 2026-05-09 15:24:52
○MXmx02.routing.net2015-05-02 → 2017-05-13 · 4 obs
● 2015-05-02 13:12:32
● 2017-05-13 00:25:40
○ 2026-02-16 14:21:06
○ 2026-05-09 15:24:52
●MXmx03.hornetsecurity.com2026-02-16 → 2026-05-09 · 3 obs
○ 2017-05-13 00:25:40
● 2026-02-16 14:21:06
● 2026-05-09 15:24:52
○MXmx03.routing.net2015-05-02 → 2017-05-13 · 4 obs
● 2015-05-02 13:12:32
● 2017-05-13 00:25:40
○ 2026-02-16 14:21:06
○ 2026-05-09 15:24:52
●MXmx04.hornetsecurity.com2026-02-16 → 2026-05-09 · 3 obs
○ 2017-05-13 00:25:40
● 2026-02-16 14:21:06
● 2026-05-09 15:24:52
○MXmxbackup.routing.net2015-05-02 → 2017-05-13 · 4 obs
● 2015-05-02 13:12:32
● 2017-05-13 00:25:40
○ 2026-02-16 14:21:06
○ 2026-05-09 15:24:52
●A162.159.128.702026-04-28 → 2026-05-09 · 3 obs
○ 2026-04-26 05:50:24
● 2026-04-28 02:19:06
● 2026-05-09 15:24:52
○A213.160.69.32026-02-16 → 2026-04-26 · 5 obs
○ 2017-05-13 00:25:40
● 2026-02-16 14:21:06
● 2026-04-26 05:50:24
○ 2026-04-28 02:19:06
○ 2026-05-09 15:24:52
○A213.160.76.572015-05-02 → 2017-05-13 · 4 obs
● 2015-05-02 13:12:32
● 2017-05-13 00:25:40
○ 2026-02-16 14:21:06
○ 2026-05-09 15:24:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, z.nic.de, f.nic.de-
ctd-dortmund.dens1.routing.net, ns2.routing.net, ns3.routing.net-

✅ Authoritative Response

Server:194.126.196.2

NS records: ns1.routing.net, ns2.routing.net, ns3.routing.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctd-dortmund.de (unsigned zone)

⏱️ Timing

Total: 1025ms | Queries: -

📄 Records

TypeCountSample Data
A1162.159.128.70
NS3ns1.routing.net, ns2.routing.net...
MX4mx03.hornetsecurity.com (pri: 30), mx02.hornetsecurity.com (pri: 20)...
TXT3v=spf1 mx ip4:87.191.168.122 ip4:217.91., apple-domain-verification=FkdpoBZd2znBqE...
SOA1ns1.routing.net hostmaster.ctd-dortmund.

Analysis

Hierarchy

The parent of mail.ctd-dortmund.de, mail2.ctd-dortmund.de and hafen.ctd-dortmund.de is ctd-dortmund.de.

IP Addresses

ctd-dortmund.de points to an IP address: 162.159.128.70.

other host names include cncf.info, markogutsche.de, schneidig.at, induktionsschleife.com and zek-jugendverein.com; they share IP numbers with ctd-dortmund.de.

Name Servers

ctd-dortmund.de is delegated to three name servers ns1.routing.net, ns2.routing.net and ns3.routing.net.

ctd-dortmund.de at least partially shares name servers with other domains, for instance garchenstiftung.eu, nord-vision.com, trampolin.org, (0x706f726e)o100.de and serverway.eu.

These name servers are commonly used alongside ns1.hosting.de, ns2.hosting.de and ns3.hosting.de.

Host names with two IP numbers:

ns1.routing.net points to 2a03:2900:3:1::2 and 134.0.30.178; ns2.routing.net points to 2001:4d8f:2::2 and 194.50.113.2; ns3.routing.net points to 2a03:2902:3:1::2 and 194.126.196.2.

Mail Servers

ctd-dortmund.de is handled by four mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com.

ctd-dortmund.de shares at least partially some mail servers with other domains, for instance vokesair.com, sybarite.com, ccr-werbeagentur.de, plethorasolutions.co.uk and mosbach.dhbw.de.

Host names with one IP number: mx01.hornetsecurity.com points to: 94.100.132.8; mx02.hornetsecurity.com points to: 94.100.136.8; mx03.hornetsecurity.com points to: 94.100.134.8; mx04.hornetsecurity.com points to: 94.100.136.7.