SubFinder alternatives

Looking for an alternative tool to replace SubFinder? During the review of SubFinder we looked at other open source tools. Based on their category, tags, and text, these are the ones that have the best match.

Top 3

  1. aiodnsbrute (asynchronous brute forcing DNS domain names)
  2. Fierce (DNS reconnaissance tool)
  3. altdns (subdomain discovery tool)

These tools are ranked as the best alternatives to SubFinder.

Alternatives (by score)

60

aiodnsbrute (Async DNS Brute)

Introduction

When a project requires resolving or guessing host names, then this tool is a great addition to the toolkit. It focuses on 'fast' by using asynchronous operations. The list of names to try is provided with a wordlist.

Project details

aiodnsbrute is written in Python.

Strengths and weaknesses

  • + Very low number of dependencies
  • + The source code of this software is available

    Typical usage

    • Network scanning
    • Penetration testing

    aiodnsbrute review

    76

    Fierce

    Introduction

    Fierce is a security tool that helps with DNS reconnaissance. It can locate non-contiguous IP space, but using DNS information.

    Project details

    Fierce is written in Python.

    Strengths and weaknesses

    • + The source code of this software is available

      Typical usage

      • Information gathering
      • Reconnaissance
      • Security assessment

      Fierce review

      64

      altdns

      Introduction

      Altdns is a security tool to discover subdomains. It generates permutations, alterations, and mutations of subdomains. The generated names can also be tested by performing DNS lookups. An enumeration tool like Altdns is useful during penetrating testing assignments.

      Project details

      altdns is written in Python.

      Strengths and weaknesses

      • + More than 500 GitHub stars
      • + The source code of this software is available

        Typical usage

        • Reconnaissance
        • Subdomain discovery
        • Subdomain enumeration

        altdns review

        56

        domain

        Introduction

        Domain is a Python script written by Jason Haddix to combine the tools Recon-ng and altdns. It allows to use the two tool one multiple domains within the same session.

        Project details

        domain is written in Python.

        Strengths and weaknesses

        • + More than 500 GitHub stars
        • + The source code of this software is available
        • - Unknown project license

        Typical usage

        • Subdomain enumeration

        domain review

        84

        Sublist3r

        Introduction

        Sublist3r helps penetration testers and bug hunters collect and gather subdomains for the domain they are targeting.

        Project details

        Sublist3r is written in Python.

        Strengths and weaknesses

        • + More than 2000 GitHub stars
        • + The source code of this software is available

          Sublist3r review

          64

          RTA (Red Team Arsenal)

          Introduction

          RTA is helpful to automate scanning public resources of a company. As the project name implies, this may be used during red teaming, like a penetration test. That obviously does not limit its use, as it is similarly useful by the blue team.

          With its integration with Nessus and other tools, RTA is more of a toolkit. This can be seen in its functionality, like subdomain enumeration and information gathering capabilities.

          Project details

          RTA is written in Python.

          Strengths and weaknesses

          • + The source code of this software is available
          • - No releases on GitHub available

          Typical usage

          • Information gathering
          • Penetration testing
          • Security assessment
          • System enumeration

          RTA review

          60

          SubBrute (subdomain-bruteforcer)

          Introduction

          SubBrute is a DNS meta-query spider that enumerates DNS records and subdomains. This can be useful during penetration tests and security assessments.

          Project details

          SubBrute is written in Python.

          Strengths and weaknesses

          • + More than 1000 GitHub stars
          • + The source code of this software is available
          • - Full name of author is unknown

          Typical usage

          • Information gathering
          • Penetration testing
          • Security assessment

          SubBrute review

          64

          Th3inspector

          Introduction

          This tool can be called a true 'inspector tool' as it helps to discover many types of data.

          • Website information
          • Domain and subdomain information
          • Mail server information and email
          • Phone details
          • IP addresses
          • Detection of used CMS

          Project details

          Th3inspector is written in Perl.

          Strengths and weaknesses

          • + The source code of this software is available
          • - No releases on GitHub available

          Typical usage

          • Discovery of sensitive information
          • Information gathering

          Th3inspector review

          52

          subDomainsBrute

          Introduction

          The subDomainsBrute tool is one of the tools to perform a scan on a domain to discover subdomains and store the output.

          Project details

          subDomainsBrute is written in Python.

          Strengths and weaknesses

          • + More than 500 GitHub stars
          • - Full name of author is unknown
          • - Unknown project license

          subDomainsBrute review

          64

          Domain Analyzer

          Introduction

          Domain Analyzer is an information gathering tool and comes in handy for reconnaissance. This can be useful for doing penetration testing or evaluating what information is publically available about your own domains. Some pieces of information that can be discovered include DNS servers, IP addresses, mail servers, SPF information, open ports, and more.

          Project details

          Domain Analyzer is written in Python.

          Strengths and weaknesses

          • + More than 1000 GitHub stars
          • + Very low number of dependencies
          • + The source code of this software is available

            Typical usage

            • Information gathering
            • Penetration testing

            Domain Analyzer review

            80

            OSINT-SPY

            Introduction

            OSINT-SPY is a modular tool to query information on different subjects like an IP address, domain, email address, or even Bitcoin address. This tool can be valuable during the reconnaissance phase of a penetration test. It can be used also for defenses purpose, like learning what information is publically available about your organization and its assets.

            Project details

            OSINT-SPY is written in Python.

            Strengths and weaknesses

            • + The source code is easy to read and understand
            • + The source code of this software is available
            • - No releases on GitHub available

            Typical usage

            • Information gathering
            • Penetration testing
            • Reconnaissance

            OSINT-SPY review

            60

            SubOver

            Introduction

            SubOver is considered a hostile tool to take over a subdomain. It can be used during pentesting and security assessments to discover unconfigured subdomains.

            Project details

            SubOver is written in Golang.

            Strengths and weaknesses

            • + The source code is easy to read and understand
            • + The source code of this software is available
            • - No releases on GitHub available

            Typical usage

            • Security assessment

            SubOver review

            64

            Infoga

            Introduction

            This tool could be used during penetration testing to learn what information is leaked regarding email addresses. For a company, it may be useful to do security monitoring and learn the same.

            Project details

            Infoga is written in Python.

            Strengths and weaknesses

            • + The source code of this software is available

              Typical usage

              • Information gathering
              • Reconnaissance

              Infoga review

              52

              Recon-ng

              Introduction

              Recon-ng is a full-featured web reconnaissance framework. It is written in Python and modular, useful for penetrating tests and security assessments.

              Project details

              Recon-ng is written in Python.

              Strengths and weaknesses

              • + The source code of this software is available

                Typical usage

                • Collaboration
                • Information gathering
                • Information sharing
                • Security assessment

                Recon-ng review

                64

                web-hunter

                Introduction

                Tools like web-hunter help with information gathering. This can be useful for penetration testing or when doing a self-assessment on your organization.

                Project details

                web-hunter is written in Python.

                Strengths and weaknesses

                • + The source code of this software is available

                  Typical usage

                  • Information gathering

                  web-hunter review

                  63

                  DNSChef

                  Introduction

                  DNSChef is a DNS proxy that can be used terminate or intercept traffic for DNS traffic. This might be useful during a penetration test or when researching malware and manipulate the actual DNS responses.

                  Project details

                  64

                  DNSteal

                  Introduction

                  DNSteal allows you to extract files from a machine through DNS requests. This can be used to circumvent security measures and test them against data leakage. The tool supports compression and allows for multiple files to be transferred.

                  Project details

                  DNSteal is written in Python.

                  Strengths and weaknesses

                  • + More than 500 GitHub stars
                  • + The source code of this software is available
                  • - No releases on GitHub available
                  • - Full name of author is unknown

                  Typical usage

                  • Application security
                  • Data hiding

                  DNSteal review

                  64

                  QuickScan

                  Introduction

                  Although there are many port scanning utilities, sometimes it is specific functionality that makes a tool really powerful. For example, QuickScan saves the results of a scan, which then can be processed later for follow-up.

                  Project details

                  QuickScan is written in Python.

                  Strengths and weaknesses

                  • + Very low number of dependencies
                  • + The source code of this software is available
                  • - No releases on GitHub available
                  • - Full name of author is unknown

                  Typical usage

                  • Network scanning

                  QuickScan review

                  Some relevant tool missing as an alternative to SubFinder? Please contact us with your suggestion.