DNSWHOIS.INFO - com4systems.net
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com4systems.net checked at 2025-10-31T17:07:02.686Z 1323ms 94/94/94 100% R:12com4systems.net
| NS | docks01.rzone.de | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:1 🇩🇪 IONOS-AS | ||||||
| PTR | docks01.rzone.de | ||||||
| A | 217.160.80.128🇩🇪 IONOS-AS | ||||||
| PTR | docks01.rzone.de | ||||||
| MX | relay.rzone.de | ||||||
| A | 81.169.145.96🇩🇪 STRATO | ||||||
| PTR | relay.rzone.de | ||||||
| NS | shades14.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:141 🇺🇸 IONOS-ANYCAST | ||||||
| PTR | shades14.rzone.de | ||||||
| A | 185.132.34.141🇩🇪 IONOS-ANYCAST | ||||||
| PTR | shades14.rzone.de | ||||||
| MX | srv1.com4systems.net | ||||||
| A | 85.215.117.49🇩🇪 IONOS-AS | ||||||
| PTR | srv1.com4systems.net | ||||||
| A | 2a01:238:20a:202:1073:: 🇩🇪 STRATO | ||||||
| PTR | w09.rzone.de | ||||||
| A | 81.169.145.73🇩🇪 STRATO | ||||||
| PTR | w09.rzone.de | ||||||
net
Up
| srv1.com4systems.net | 
Starts with same word
| com4systems.com | 
| com4systems.de | 
| com4systems.net | 
Starts similarily
| com4systems.de | 
| com4systems.net | 
| com4systems.com | 
AI analysis
srv1.com4systems.net has com4systems.net as its parent.
com4systems.net points to two IPs: 2a01:238:20a:202:1073:: and 81.169.145.73.
Other host names, for instance ib-ha.de, easylines.nl, wasserstrahlschneiden-haertel.de, corali.org and galeriepolhus.nl share IP numbers with com4systems.net.
Two name servers docks01.rzone.de and shades14.rzone.de are delegated to com4systems.net.
com4systems.net uses the same name server configuration as other domains, such as tetralog.com, m-learning.info, dacort.ch, konditorei-burger.de and jvdh.net.
com4systems.net at least partially shares name servers with other domains such as thumanns-muehle.de, bus-und-bug.de, mpmm.de, wischer-hennef.de and groni.de.
These name servers are often used together with docks17.rzone.de, shades03.rzone.de, shades18.rzone.de, shades08.rzone.de, docks16.rzone.de, docks15.rzone.de, docks20.rzone.de, docks03.rzone.de, shades05.rzone.de and shades02.rzone.de.
Host names with two IPs:
docks01.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:1 and 217.160.80.128.
shades14.rzone.de points to 2607:f1c0:fe:53:185:132:34:141 and 185.132.34.141.
 Two mail servers handle com4systems.net: relay.rzone.de and srv1.com4systems.net. 
The mail server setup for com4systems.net matches that of other domains, for instance voigt-online.de.
com4systems.net shares mail servers with other domains at least in part, for instance dietz-verlag.de, eictronic.de, avaluxe.eu, alynmedia.com and cre-do.com.
These mail servers are commonly used together with aspmx.l.google.com and alt1.aspmx.l.google.com.
Host names with a single IP address:
relay.rzone.de points to 81.169.145.96
srv1.com4systems.net points to 85.215.117.49