crtsh

API client for crt.sh

crtsh allows to get the information about a HTTPS website.
e.g. Search subdoimains.

This tool uses Certificate Transparency logs. For more information, check https://crt.sh/

Example

Subdomains

Search subdomains of example.com

Organization

In --query, % can be used as wildcard.

Install

Binary

Download binary from release page

Source

$ go get -u github.com/knqyf263/crtsh

Usage

% crtsh -h
crtsh client

Usage:
  crtsh [command]

Available Commands:
  help        Help about any command
  search      search

Flags:
      --config string   config file (default is $HOME/.crtsh.yaml)
  -h, --help            help for crtsh

Use "crtsh [command] --help" for more information about a command.

search

$ crtsh search --help
Usage:
  crtsh search [flags]

Flags:
  -d, --domain string   Domain Name (e.g. %.exmaple.com)
  -h, --help            help for search
      --plain           plain text mode
  -q, --query string    query (e.g. Facebook)

Global Flags:
      --config string   config file (default is $HOME/.crtsh.yaml)