No ANY records found for 51.45.8.
Try 45.8 instead?
id 58621, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 51.45.8. IN ANY ;ANSWER ;AUTHORITY . 86393 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2024122500 1800 900 604800 86400 ;ADDITIONAL
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