No ANY records found for 51.20.223.253.
Try 20.223.253 instead?
id 27056, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 51.20.223.253. IN ANY ;ANSWER ;AUTHORITY . 86284 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025050401 1800 900 604800 86400 ;ADDITIONAL
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