No ANY records found for 123.231.18.49.
Try 231.18.49 instead?
id 61748, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 123.231.18.49. IN ANY ;ANSWER ;AUTHORITY . 86399 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2024122501 1800 900 604800 86400 ;ADDITIONAL
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