No ANY records found for 173.46.181.
Try 46.181 instead?
id 32313, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 173.46.181. IN ANY ;ANSWER ;AUTHORITY . 86346 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025081501 1800 900 604800 86400 ;ADDITIONAL
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