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I'm trying to enumerate as many unique subdomains as possible, and I have tried using Bing's IP operator, but the limited number of results is too small for the list I need. &nbsp;So my main question, &nbsp;if I can't dig DNS and Bing artificially limits its results, anyone know what the next legal method of enumeration...? Thanks in advance for the insight!
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I'm trying to enumerate as many unique subdomains as possible, and I have tried using Bing's IP operator, but the limited number of results is too small for the list I need.  So my main question,  if I can't dig DNS and Bing artificially limits its results, anyone know what the next legal method of enumeration...? Thanks in advance for the insight!

Trying To Enumerate As Many Unique Subdomains As Possible

The Domain Name System (DNS) is a hierarchical, globally distributed system responsible for associating the name of a computer, service or other resource into an IP address for connecting to the Internet or a private network. Most prominently, it translates domain names to the numerical IP addresses needed for the purpose of computer services and devices worldwide.

Networking software modules are interfaced with a framework implemented on the machine's operating system that implements the networking functionality of the operating system. The best known frameworks are the TCP/IP model and the OSI model. Systems typically do not use a single protocol to handle a transmission. Instead they use a set of cooperating protocols, sometimes called a protocol family or protocol suite.[9] Some of the best known protocol suites include: IPX/SPX, X.25, AX.25, AppleTalk and TCP/IP. Other protocols indirectly related to networking include the hypertext transfer protocol (HTTP) and its related technologies, Dynamic Host Configuration Protocol (DHCP), Domain Name Server (DNS) and other Internet protocols.