No ANY records found for 177.72.20.
Try 72.20 instead?
id 54987, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 177.72.20. IN ANY ;ANSWER ;AUTHORITY . 86395 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025051101 1800 900 604800 86400 ;ADDITIONAL
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