mail.hanskupfer.de

mname: ns3.stratoserver.net rname: hostmaster.strato-rz.de
serial: 2020051990
refresh: 86400 retry: 7200
expire: 604800 minimum: 300

ns3.stratoserver.net, ns4.stratoserver.net

mx01.hornetsecurity.com(10), mx02.hornetsecurity.com(20), mx03.hornetsecurity.com(200), mx04.hornetsecurity.com(200)