ROBTEX.COM - 4system.net
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4system.net checked at 2025-12-07T04:13:35.601Z 1167ms 81/81/81 100% R:12 allDone:true timedOut:false 4system.net
| MX | mail.4system.net | ||||||
| A | 213.239.227.89🇩🇪 Hetzner | ||||||
| PTR | sigma.4system.de | ||||||
| NS | hydrogen.ns.hetzner.com | ||||||
| A | 2a01:4f8:0:1::add:1098🇩🇪 Hetzner | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| A | 213.133.100.98🇩🇪 Hetzner | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| NS | oxygen.ns.hetzner.com | ||||||
| A | 2a01:4f8:0:1::add:2992🇩🇪 Hetzner | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| A | 88.198.229.192🇩🇪 Hetzner | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| NS | helium.ns.hetzner.de | ||||||
| A | 2001:67c:192c::add:5🇩🇪 NORIS-NETWORK | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| A | 193.47.99.5🇩🇪 NORIS-NETWORK | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| A | 213.239.227.89🇩🇪 Hetzner | ||||||
| PTR | sigma.4system.de | ||||||
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AI analysis
4system.net is a parent of mail.4system.net and www.4system.net.
4system.net resolves to one IP number: 213.239.227.89.
Other host names, for instance mail.anti-mainstream.de, blog.whatson-online.de, mx.oka-tec.com, cxflyer.de and hotel-lippstadt.com share IP numbers with 4system.net.
4system.net is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
4system.net at least partially shares name servers with other domains, including wolfgang-schneider.eu, dds-cloud.de, ferien-villa-connor.de, widemann.gmbh and pravx.ru.
These name servers are commonly used with robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
Host names with two IP numbers:
hydrogen.ns.hetzner.com: 2a01:4f8:0:1::add:1098 and 213.133.100.98
oxygen.ns.hetzner.com: 2a01:4f8:0:1::add:2992 and 88.198.229.192
helium.ns.hetzner.de: 2001:67c:192c::add:5 and 193.47.99.5
A single mail server handles 4system.net, mail.4system.net.
Host name mail.4system.net resolves to a single IP: 213.239.227.89.