__ _  ___        _ __ ___  ___ ___  _ __
 / _` |/ _ \ _____| '__/ _ \/ __/ _ \| '_ \
| (_| | (_) |_____| | |  __/ (_| (_) | | | |
 \__, |\___/      |_|  \___|\___\___/|_| |_|
  __/ |     by D3Ext
 |___/      v0.2

Usage of gr-subdomains:
  INPUT:
    -d, -domain string      domain to find its subdomains (i.e. example.com)
    -l, -list string        file containing a list of domains to find their subdomains (one domain per line)

  OUTPUT:
    -o, -output string          file to write subdomains into (TXT format)
    -oj, -output-json string    file to write subdomains into (JSON format)
    -oc, -output-csv string     file to write subdomains into (CSV format)

  PROVIDERS:
    -all                      use all available providers to discover subdomains (slower than default)
    -p, -providers string[]   providers to use for subdomain discovery (separated by comma)
    -lp, -list-providers      list available providers

  CONFIG:
    -proxy string         proxy to send requests through (i.e. http://127.0.0.1:8080)
    -t, -timeout int      milliseconds to wait before each request timeout (default=5000)
    -c, -color            print colors on output
    -q, -quiet            prin