blacksheepwall is a hostname reconnaissance tool written in Go. It can also be used as a stand-alone package in your tools.
##Download## Binary packages for every supported operating system are availble here.
##Install## You can download a compiled binary and just run it. Alternatively, if you have Go installed and configured with a workspace, you can run:
$ go get github.com/tomsteele/blacksheepwall
Usage: blacksheepwall [options] <ip address or CIDR> Options: -h, --help Show Usage and exit. -version Show version and exit. -debug Enable debugging and show errors returned from tasks. -config Location of a YAML file containing any of the options below. Hypens should be replaced with underscores (e.g. bing-html, bing_html). Options that do not take an argument are booleans and should be represented using true/false (e.g. bing_html: true). -timeout Maximum timeout in seconds for SOCKET connections. [default .5 seconds] -concurrency <int> Max amount of concurrent tasks. [default: 100] -server <string> DNS server address. [default: "22.214.171.124"] -input <string> Line separated file of networks (CIDR) or IP Addresses. -ipv6 Look for additional AAAA records where applicable. -domain <string> Target domain to use for certain tasks, can be a single domain or a file of line separated domains. -fcrdns Verify results by attempting to retrieve the A or AAAA record for each result previously identified hostname. -parse <string> Generate output by parsing JSON from a file from a previous scan. -validate Validate hostnames using a RFC compliant regex. Passive: -dictionary <string> Attempt to retrieve the CNAME and A record for each subdomain in the line separated file. -ns Lookup the ip and hostname of any nameservers for the domain. -mx Lookup the ip and hostmame of any mx records for the domain. -yandex <string> Provided a Yandex search XML API url. Use the Yandex search 'rhost:' operator to find subdomains of a provided domain. -bing <string> Provided a base64 encoded API key. Use the Bing search API's 'ip:' operator to lookup hostnames for each ip, and the 'domain:' operator to find ips/hostnames for a domain. -bing-html Use Bing search 'ip:' operator to lookup hostname for each ip, and the 'domain:' operator to find ips/hostnames for a domain. Only the first page is scraped. This does not use the API. -shodan <string> Provided a Shodan API key. Use Shodan's API '/dns/reverse' to lookup hostnames for each ip, and '/shodan/host/search' to lookup ips/hostnames for a domain. A single call is made for all ips. -reverse Retrieve the PTR for each host. -viewdns-html Lookup each host using viewdns.info's Reverse IP Lookup function. Use sparingly as they will block you. -viewdns <string> Lookup each host using viewdns.info's API and Reverse IP Lookup function. -logontube Lookup each host and/or domain using logontube.com's API. As of this release the site is down. -exfiltrated Lookup hostnames returned from exfiltrated.com's hostname search. -censys <string> Searches censys.io for a domain. Names are gathered from TLS certificates for each host returned from this search. The provided string should be your API ID and Secret separated by a colon. -srv Find DNS SRV record and retrieve associated hostname/IP info. -cmn-crawl <string> Search commoncrawl.org for subdomains of a domain. The provided argument should be the index to be used. For example: "CC-MAIN-2017-04-index". Active: -axfr Attempt a zone transfer on the domain. -headers Perform HTTP(s) requests to each host and look for hostnames in a possible Location header. -tls Attempt to retrieve names from TLS certificates (CommonName and Subject Alternative Name). Output Options: -clean Print results as unique hostnames for each host. -csv Print results in csv format. -json Print results as JSON.