CF1760245103167-tsm20251011193234

WWW.RTSAK.COM - sem4u.de

Search for IP or hostnames:

sem4u.de checked at 2025-10-12T04:58:23.156Z 232ms 87/87/87 100% R:18

sem4u.de

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
MXmail.sem4u.de
A2a01:4f8:d0a:6552::2 🇩🇪 Hetzner
PTRdedi5369.your-server.de
A159.69.224.62🇩🇪 Hetzner
PTRdedi5369.your-server.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
A2a01:4f8:d0a:6552::2 🇩🇪 Hetzner
PTRdedi5369.your-server.de
A159.69.224.62🇩🇪 Hetzner
PTRdedi5369.your-server.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

sem4u.de is the parent of mail.sem4u.de.

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

Other host names, for instance altoele-schultz.de, lachende-lanxessarena.com, www.ptkoeln.de, www.koelschagentur.de and sem4u.net share IP numbers with sem4u.de.

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

sem4u.de shares some name servers with other domains, for example match42.de, 7.217.95.in-addr.arpa, weborbis.com, qualifiber.de and pickoutsports.de.

Host names with two IP numbers:

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

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

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

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

mail.sem4u.de 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

RTyTgha CF johedugfp 2025-10-12