pip install --requirement requirements.txt

findcdn list github.com

pip install git+https://github.com/cisagov/findcdn.git

findcdn file <fileIn> [options]
findcdn list  <domain>... [options]
findcdn (-h | --help)

findcnd -h
findcdn file domains.txt -o output_cdn.txt -t 17 -d
findcdn list dhs.gov cisa.gov -o output_cnd.txt -v
findcdn list cisa.gov

  -h --help                    显示此消息。
  --version                    显示当前版本。
  -o FILE --output=FILE        如果指定，则将在指定值处创建 JSON 输出文件。
  -v --verbose                 包含额外的打印语句。
  --all                        在输出中包含有 CDN 和没有 CDN 的域名。
  -d --double                  运行检查两次以提高准确性。
  -t --threads=<thread_count>  线程数，否则使用默认值。
  --timeout=<timeout>          等待域名完成处理的最长持续时间（秒），否则使用默认值。
  --user_agent=<user_agent>    设置要使用的用户代理，否则使用默认值。

user2@ubuntu:~$ findcdn list asu.edu -t 7 --double
Using 7 threads.
[Pending: 0 jobs]==[Threads: 2]: 100%|███████████████████████████████| 2/2 [00:00<00:00,  2.22it/s]
{
    "date": "06/19/2020, 13:00:38",
    "CDN_count": "1",
    "domains": {
        "asu.edu": {
            "IP": "'104.16.50.14'",
            "cdns": "'.cloudflare.com'",
            "cdns_by_names": "'Cloudflare'"
        }
    }
}
Domain processing completed.
1 domains had CDN's out of 1.

findcdn.main(
    domain_list: List[str],  # List of domains to search
    output_path: str = None,  # if included, output results to JSON
    verbose: bool = False,  # Verbose mode (more printing!)
    all_domains: bool = False,  # Includes domains that dont have cdn's in the output
    interactive: bool = False,  # Includes a progress bar (normally used for command line)
    double_in: bool = False,  #D ouble the number of tries on a domain to increase accuracy
    threads: int = THREADS,  # Number of threads to use
    timeout: int = TIMEOUT,  # How long to wait on a domain
    user_agent: str = USER_AGENT,  # User Agent to use
)

import findcdn
import json

domains = ['google.com', 'cisa.gov', 'censys.io', 'yahoo.com', 'pbs.org', 'github.com']
resp_json = findcdn.main(domains, output_path="output.json", double_in=True, threads=23)

dumped_json = json.loads(resp_json)

for domain in dumped_json['domains']:
    print(f"{domain} has CDNs:\n {dumped_json['domains'][domain]['cdns']}")