No ANY records found for 28.84.238.
Try 84.238 instead?
id 44911, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 28.84.238. IN ANY ;ANSWER ;AUTHORITY . 86240 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025070702 1800 900 604800 86400 ;ADDITIONAL
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