trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
host=$1
-addr=$(host $host | sed -rn 's/^.*has address (.*)/\1/p;T;q')
+addr=$(host $host | sed -rn 's/^\S+ has address //p;T;q')
h=$(host $addr)
h=${h##* }
-echo ${h%%.*}
+echo $h