No ANY records found for 159.7.226.
Try 7.226 instead?
id 13770, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 159.7.226. IN ANY ;ANSWER ;AUTHORITY . 86270 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2024112500 1800 900 604800 86400 ;ADDITIONAL
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