mdaxfr/madness

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#!/bin/sh
# maDNeSs with DNS - devloped by acidvegas (https://git.acid.vegas/mdaxfr)
genip() {
num_octets=$((RANDOM % 4 + 1))
ip=""
for i in $(seq 1 $num_octets); do
if [ $i -ne 1 ]; then
ip+="."
fi
ip+=$((RANDOM % 256))
done
echo $ip
}
while true; do
ip=$(genip)
dig +time=1 +noall +authority $ip.in-addr.arpa | grep 'IN\sSOA' | sed "s/^/\x1B[35m$ip.in-addr.arpa\x1B[90m -> \x1B[1;33m/" | sed "s/$/\x1B[0m/"
done