Tools:
Hosts:
dns.btnet.de
[195.243.214.4]
dns0.btnet.de
[91.217.86.4]
[2001:67c:a8:1:91:217:86:4]
dns2.btnet.de
[213.68.194.51]
dns3.btnet.de
[194.172.160.4]
MX hosts:
smtp1.active-mailsystem.de
smtp2.active-mailsystem.de
smtp3.active-mailsystem.de
Authoritative NS:
Last crawled:
2025-09-14 09:03:30 +0000