Bash script to resolve names or IPs

hosts_cmd.sh

#!/bin/bash
# Function that will expect a list of arguments from the cli and will resolve them using the host command.
# It will return the dns records or Ips on stdout
# Example bash hosts_cmd.sh 10.176.148.12 10.176.148.193 10.176.152.63 10.176.152.64 10.176.152.65 10.176.152.66 10.176.152.67 10.176.152.68 10.176.152.69 10.176.152.70 10.176.152.71 10.176.152.72

#USAGE
# bash hosts_cmd.sh 10.195.129.22 10.195.129.23 10.185.129.62 10.185.129.63


light_green_bold="\033[1;92;49m"
red_bold="\033[1;31;49m"
blue_bold="\033[1;34;49m"
normal="\033[0m"


resolver(){

for ip_names in "$@"; do
    output=$(host $ip_names | awk '{print $5}' | sed 's/\.$//g')
    printf "$blue_bold $ip_names $normal-$light_green_bold $output $normal\n"
done
}

resolver $@