网址访问

crt.sh

输入主域名,点击Search按钮,即可获取该域名下所有子域名的信息

代码访问

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import requests

def get_subdomain(domain):
url = "https://crt.sh/"
ua = "User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36"
headers = {'User-Agent': ua}
params = {
"q": domain,
"output": "json"
}
response = requests.get(url=url, headers=headers, params=params)
subdomain_list = response.json()
for i in subdomain_list:
print(i["common_name"])

get_subdomain("baidu.com")