added getting domain info tutorial

Author: x4nth055

README.md

@@ -81,6 +81,7 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
     - [How to Use Proxies to Anonymize your Browsing and Scraping using Python](https://www.thepythoncode.com/article/using-proxies-using-requests-in-python). ([code](web-scraping/using-proxies))
     - [How to Extract Script and CSS Files from Web Pages in Python](https://www.thepythoncode.com/article/extract-web-page-script-and-css-files-in-python). ([code](web-scraping/webpage-js-css-extractor))
     - [How to Extract and Submit Web Forms from a URL using Python](https://www.thepythoncode.com/article/extracting-and-submitting-web-page-forms-in-python). ([code](web-scraping/extract-and-fill-forms))
+    - [How to Get Domain Name Information in Python](https://www.thepythoncode.com/article/extracting-domain-name-information-in-python). ([code](web-scraping/get-domain-info))
 
 - ### [Python Standard Library](https://www.thepythoncode.com/topic/python-standard-library)
     - [How to Transfer Files in the Network using Sockets in Python](https://www.thepythoncode.com/article/send-receive-files-using-sockets-python). ([code](general/transfer-files/))

web-scraping/get-domain-info/README.md

@@ -0,0 +1,5 @@
+# [How to Get Domain Name Information in Python](https://www.thepythoncode.com/article/extracting-domain-name-information-in-python)
+To run this:
+- `pip3 install -r requirements.txt`
+- Use `validate_domains.py` code to validate domains
+- Use `get_domain_info.py` code to get various domain information from WHOIS

web-scraping/get-domain-info/get_domain_info.py

@@ -0,0 +1,16 @@
+import whois
+from validate_domains import is_registered
+
+domain_name = "google.com"
+if is_registered(domain_name):
+    whois_info = whois.whois(domain_name)
+    # print the registrar
+    print("Domain registrar:", whois_info.registrar)
+    # print the WHOIS server
+    print("WHOIS server:", whois_info.whois_server)
+    # get the creation time
+    print("Domain creation date:", whois_info.creation_date)
+    # get expiration date
+    print("Expiration date:", whois_info.expiration_date)
+    # print all other info
+    print(whois_info)

web-scraping/get-domain-info/requirements.txt

@@ -0,0 +1 @@
+python-whois

web-scraping/get-domain-info/validate_domains.py

@@ -0,0 +1,28 @@
+import whois # pip install python-whois
+
+def is_registered(domain_name):
+    """
+    A function that returns a boolean indicating 
+    whether a `domain_name` is registered
+    """
+    try:
+        w = whois.whois(domain_name)
+    except Exception:
+        return False
+    else:
+        return bool(w.domain_name)
+
+
+if __name__ == "__main__":
+    # list of registered & non registered domains to test our function
+    domains = [
+        "thepythoncode.com",
+        "google.com",
+        "github.com",
+        "unknownrandomdomain.com",
+        "notregistered.co"
+    ]
+    # iterate over domains
+    for domain in domains:
+        print(domain, "is registered" if is_registered(domain) else "is not registered")
+