Check for missing reverse DNS entries on network
A quick way to check your network for IPs missing reverse DNS entries….
nmap -PE -sP 10.0.0.0/24 | awk '{if ($2 ~ /^[[:digit:]]/ ) print $2}'A quick way to check your network for IPs missing reverse DNS entries….
nmap -PE -sP 10.0.0.0/24 | awk '{if ($2 ~ /^[[:digit:]]/ ) print $2}'