Enumerate DNS information and discover non-contiguous IP blocks
Multithreaded perl script to enumerate DNS information of a domain and discover non-contiguous IP blocks. OPERATIONS: Get the host's address (A record). Get the nameservers (threaded). Get the MX record (threaded). Perform axfr queries on nameservers and get BIND VERSION (threaded). Get extra names and subdomains via google scraping (google query = "allinurl: -www site:domain"). Brute force subdomains from file, can also perform recursion on subdomain that have NS records (all threaded). Calculate C class domain network ranges and perform whois queries on them (threaded). Perform reverse lookups on netranges ( C class or/and whois netranges) (threaded). Write to domain_ips.txt file ip-blocks.
pkg install dnsenum