No ANY records found for 20.231.12.
Try 231.12 instead?
id 7477, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 20.231.12. IN ANY ;ANSWER ;AUTHORITY . 86370 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2024122502 1800 900 604800 86400 ;ADDITIONAL
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