Oneliner.txt

curl -X GET -G -s 'https://virustotal.com/vtapi/v2/domain/report' -d apikey=YOUR_API_KEY -d domain=dell.com | jq -r '.subdomains' | grep -o '"[^"]\+"' | cut -d '"' -f 2 | sort -u | tee virussubs.txt
curl -fsSL "https://crt.sh/?CN=%25.dell.com" | sort -n | uniq -c | grep -o -P '(?<=\<TD\>).*(?=\<\/TD\>)' | sed -e '/white-space:normal/d' | tee crtsub.txt
curl -s "http://web.archive.org/cdx/search/cdx?url=*.dell.com/*&output=text&fl=original&collapse=urlkey" |sort| sed -e 's_https*://__' -e "s/\/.*//" -e 's/:.*//' -e 's/^www\.//' | uniq | tee web-archiveSubs.txt