#!/bin/sh

getv4() {
        echo $1 | grep '^ip4:'| awk -F ':' '{ print $2 }'
        echo $1 | grep '^include:' | awk -F ':' '{ print $2 }' | while read INC                                                                                  
                do                                                                                                                                               
                        host -t TXT ${INC} |tr "\ " "\n" | egrep '^ip4:|^include:' | while read REC                                                              
                                do
                                        getv4 ${REC}
                                done
                done
}
for DOMAIN in \
        apple.com \
        amazon.com \
        gmx.net \
        google.com \
        hotmail.com \
        ebay.com \
        twitter.com
do
        echo \#${DOMAIN}                                                                                                            
        getv4 include:${DOMAIN}                                                                                               
done