No ANY records found for 104.93.21.137.
Try 93.21.137 instead?
id 9875, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 104.93.21.137. IN ANY ;ANSWER ;AUTHORITY . 86383 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025050700 1800 900 604800 86400 ;ADDITIONAL
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