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Dnsenum

Jul 20, 2023

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 sitedomain”. 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.

Checkout these related ports:
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  • Wdns - Low-level DNS library
  • Walker - Recover zone file information from servers that use DNSSEC
  • Void-zones-tools - Prepare a list of void zones that can be readily fed into Unbound
  • Vizone - Updates the serial number in one or more zonefiles
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  • Utdns - Proxy UDP/DNS to TCP/DNS
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