ns.lits.de has no MX records.
Question and response
Question
dig ns.lits.de. MX
Answer
The response has no answer records.
Authority
lits.de. 43200 SOA lits.de. admin.lits.de. 2024031600 10800 1800 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0