No ANY records found for 121.56.64.
Try 56.64 instead?
id 29654, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 121.56.64. IN ANY ;ANSWER ;AUTHORITY . 86309 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025010700 1800 900 604800 86400 ;ADDITIONAL
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