bind9-host 1:9.11.5.P1+dfsg-1ubuntu2 (s390x binary) in ubuntu disco

 This package provides /usr/bin/host, a simple utility (bundled with the
 BIND 9.X sources) which can be used for converting domain names to IP
 addresses and the reverse.
 .
 This utility is deprecated, use dig or delv from the dnsutils package.