No ANY records found for 72.228.147.
Try 228.147 instead?
id 4278, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 72.228.147. IN ANY ;ANSWER ;AUTHORITY . 86391 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025050501 1800 900 604800 86400 ;ADDITIONAL
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