dns response checker script

scripts/dns_response

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+#!/bin/bash
+TMP=:
+while read -r domain
+do
+    while read -r server
+    do
+        response_time="$(drill @$server $domain | grep -o "Query time: [0-9]*" | grep -o "[0-9]*")"
+        echo "$server-> $domain::$response_time"
+        TMP+="$server,$domain,$response_time""\\n"
+    done < servers.txt
+    echo
+done < domains.txt
+	echo
+#	echo -e "$TMP"
+	while read -r server
+	do
+		echo "$server ->>>>"
+		echo -n "avg:"
+		echo "$(echo -e $TMP |grep $server |cut -d ',' -f 3 |awk 'NF{sum+=$1} END {print sum}')"/"$(wc -l domains.txt|grep -o "[0-9]*")"|bc 
+		echo -e $TMP |grep $server |cut -d ',' -f 3 |sort -n |echo min:$(head -1)
+		echo -e $TMP |grep $server |cut -d ',' -f 3 |sort -n |echo max:$(tail -1)
+		echo -e $TMP|grep $server |cut -d ',' -f 3|sort -n |uniq -c |awk '{$2=$2"->"$1;$1="";print} '
+		echo 
+	done <servers.txt
+exit
+

scripts/domains.txt

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+aliexpress.com
+amazon.com
+americanas.com.br
+apple.com
+baidu.com
+bb.com.br
+bing.com
+bradesco.com.br
+caixa.gov.br
+cnn.com
+correios.com.br
+craiglist.org
+dx.com
+ebay.com
+espn.com
+facebook.com
+fazenda.gov.br
+gearbest.com
+github.com
+globo.com
+gmail.com
+goo.gl
+google.com
+imgur.com
+itau.com.br
+linkedin.com
+live.com
+live.com
+mec.gov.br
+mercadolivre.com.br
+microsoft.com
+netflix.com
+olx.com.br
+outlook.com
+pagseguro.uol.com.br
+paypal.com
+raspberrypi.org
+reddit.com
+salesforce.com
+snapchat.com
+stackoverflow.com
+t.co
+tumblr.com
+twitch.tv
+twitter.com
+uol.com.br
+whatsapp.com
+wikipedia.org
+yahoo.com
+youtube.com
+

scripts/servers.txt

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+1.1.1.1
+8.8.8.8
+9.9.9.9
+208.67.222.222