CF1759733310844-tsm20251005211530

WWW.ROBTEX.COM - sem4u.net

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sem4u.net checked at 2025-10-06T06:48:30.824Z 542ms 137/137/137 100% R:13

sem4u.net

NSns.second-ns.com
A2a01:4f8:0:a101::b:1🇩🇪 Hetzner
PTRns.second-ns.com
A213.239.204.242🇩🇪 Hetzner
PTRns.second-ns.com
NSns3.second-ns.de
A2001:67c:192c::add:b3🇩🇪 noris network AG
PTRns3.second-ns.de
A193.47.99.4🇩🇪 noris network AG
PTRns3.second-ns.de
NSns1.your-server.de
A2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner
PTRns1.your-server.de
A213.133.100.102🇩🇪 Hetzner
PTRns1.your-server.de
MXmail.sem4u.net
A2a01:4f8:d0a:6552::2🇩🇪 Hetzner
PTRdedi5369.your-server.de
A159.69.224.62🇩🇪 Hetzner
PTRdedi5369.your-server.de
A2a01:4f8:d0a:6552::2🇩🇪 Hetzner
PTRdedi5369.your-server.de
A159.69.224.62🇩🇪 Hetzner
PTRdedi5369.your-server.de

net

NSa.gtld-servers.net
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net

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AI analysis

The parent of mail.sem4u.net is sem4u.net.

sem4u.net resolves to two IP numbers: 2a01:4f8:d0a:6552::2 and 159.69.224.62.

Other host names, for instance mail.heuser-koeln.de, www.karnevalsagentur.de, mail.sem4u.net, heuser-koeln.de and ela-n.de share IP numbers with sem4u.net.

sem4u.net is delegated to three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

sem4u.net partially shares name servers with other domains; examples include kinderaerzte-heumaden.de, colinyamada.de, satelli-line.de, 179.245.188.clients.your-server.de and 138.108.65.in-addr.arpa.

Host names with two IP numbers:

ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242.

ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4.

ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102.

sem4u.net is handled by a single mail server, mail.sem4u.net.

Host mail.sem4u.net resolves to two IPs: 2a01:4f8:d0a:6552::2 and 159.69.224.62.

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

vnDGyPt CF johedugfp 2025-10-06