ALL A AAAA CAA CNAME MX NS PTR SOA SRV TXT ANY

No ANY records found for mx2.denic.de.

Try denic.de instead?

id 55430, opcode QUERY, rcode NOTIMP, flags QR RD RA
;QUESTION
mx2.denic.de. IN ANY
;ANSWER
;AUTHORITY
;ADDITIONAL

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