No ANY records found for 72.247.37.56.
Try 247.37.56 instead?
id 60901, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 72.247.37.56. IN ANY ;ANSWER ;AUTHORITY . 86388 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025051500 1800 900 604800 86400 ;ADDITIONAL
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