No ANY records found for smtp.ucad.sn.
Try ucad.sn instead?
id 1076, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION smtp.ucad.sn. IN ANY ;ANSWER ;AUTHORITY ucad.sn. 1800 IN SOA ns1.ucad.sn. admin.ucad.sn. 2025042600 21600 3600 640800 3600 ;ADDITIONAL
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