CF1762142537220-tsm20251102073205

WWW.RTSAK.COM - tec21.de

Search for IP or hostnames:

tec21.de checked at 2025-11-03T04:02:17.128Z 809ms 86/86/86 100% R:8

tec21.de

NSdocks17.rzone.de
A2001:8d8:fe:53:5747:2a74:d:17 🇩🇪 IONOS-AS
PTRdocks17.rzone.de
A217.160.80.144🇩🇪 IONOS-AS
PTRdocks17.rzone.de
NSshades06.rzone.de
A2607:f1c0:fe:53:185:132:34:133 🇺🇸 IONOS-ANYCAST
PTRshades06.rzone.de
A185.132.34.133🇩🇪 IONOS-ANYCAST
PTRshades06.rzone.de
MXsmtpin.rzone.de
A2a01:238:20a:202:50f0::1097 🇩🇪 STRATO
PTRsmtpin.rzone.de
A81.169.145.97🇩🇪 STRATO
PTRsmtpin.rzone.de
A2a01:238:20a:202:1148:: 🇩🇪 STRATO
PTRw94.rzone.de
A81.169.145.148🇩🇪 STRATO
PTRw94.rzone.de

de

NSa.nic.de
NSf.nic.de
NSz.nic.de
NSl.de.net
NSn.de.net
NSs.de.net

Up

Starts with same word

Starts similarily

AI analysis

mail.tec21.de has tec21.de as its parent.

tec21.de points to two IPs: 2a01:238:20a:202:1148:: and 81.169.145.148.

Other host names, for instance latumahina.nl, baschkirienheute.de, leinhos.info, janko-bielefeld.de and fspi.de share IP numbers with tec21.de.

Two name servers docks17.rzone.de and shades06.rzone.de are delegated to tec21.de.

tec21.de uses the same name server configuration as other domains, such as juergen-schuster.com, sartor-home.de, kattenhulpdienst.nl, vetdoctor.de and allgaeuer-kraeuterlandhof.com.

tec21.de at least partially shares name servers with other domains such as keramar.com, 2-rad.eu, standfestimalter.de, payrollsolutions.nl and steinau.enterprises.

These name servers are often used together with docks04.rzone.de, shades01.rzone.de, shades15.rzone.de, shades04.rzone.de, docks15.rzone.de, shades09.rzone.de, docks13.rzone.de, docks19.rzone.de, docks11.rzone.de and docks06.rzone.de.

Host names with two IPs:

docks17.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:17 and 217.160.80.144.

shades06.rzone.de points to 2607:f1c0:fe:53:185:132:34:133 and 185.132.34.133.

tec21.de is handled by a single mail server, smtpin.rzone.de.

tec21.de shares the same mail server setup as other domains, including ns.hs-comp.com, c-c.space, gesundheitspsychologin.de, bmf-berlin.com and chmann.com.

Host name smtpin.rzone.de points to IPs 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

DMCDWNQ CF johedugfp 2025-11-03