mksub
Make subdomains using a wordlist
Read a wordlist file and generate subdomains for given domain or list of domains. Input from wordlist file is lowercased and unique words are processed. Additionally, wordlist can be filtered using regex.
Usage of mksub:
-d string
Input domain
-df string
Input domain file, one domain per line
-l int
Subdomain level to generate (default 1)
-o string
Output file (stdout will be used when omitted)
-r string
Regex to filter words from wordlist file
-silent
Skip writing generated subdomains to stdout (faster) (default true)
-t int
Number of threads for every subdomain level (default 100)
-w string
Wordlist file
Example
wordlist.txt
dev
DEV
*
foo.bar
prod
> go run mksub.go -d example.com -l 2 -w input.txt -r "^[a-zA-Z0-9\.-_]+$"
dev.example.com
foo.bar.example.com
prod.example.com
foo.bar.dev.example.com
prod.dev.example.com
dev.dev.example.com
dev.foo.bar.example.com
foo.bar.foo.bar.example.com
prod.foo.bar.example.com
dev.prod.example.com
foo.bar.prod.example.com
prod.prod.example.com
