No ANY records found for 23.16.104.
Try 16.104 instead?
id 16034, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 23.16.104. IN ANY ;ANSWER ;AUTHORITY . 86278 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2024122502 1800 900 604800 86400 ;ADDITIONAL
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