mx.timmehosting.de has no CNAME records.
Question and response
Question
dig mx.timmehosting.de. NS
Answer
The response has no answer records.
Authority
timmehosting.de. 3513 SOA ns1.timmehosting.de. zonemaster.timmehosting.de. 2026022150 7200 900 1814400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0