No ANY records found for 103.168.172.221.
Try 168.172.221 instead?
id 1026, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 103.168.172.221. IN ANY ;ANSWER ;AUTHORITY . 86397 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025042401 1800 900 604800 86400 ;ADDITIONAL
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