mail02.vc-cc.de has no MX records.
Question and response
Question
dig mail02.vc-cc.de. MX
Answer
The response has no answer records.
Authority
vc-cc.de. 2560 SOA ns01.vcvn.de. hostmaster.vc-cc.de. 1765455276 16384 2048 1048576 2560
Additional
The response has no additional records.