Added code and output for C10. Added links for those in README.

Codes/Code-C10.py

@@ -0,0 +1,26 @@
+import socket
+
+def dns_lookup():
+  choice = input("Choose an operation:\n1 -> lookup a URL\n2 -> lookup an IP address\nEnter choice (1/2):\t")
+
+  if choice == '1':
+    url = input("Enter the URL (e.g. kska.io): ")
+    try:
+      ip_address = socket.gethostbyname(url)
+      print(f"The IP address for {url} is: {ip_address}")
+    except socket.gaierror:
+      print("Error: Unable to resolve the URL.")
+
+  elif choice == '2':
+    ip_address = input("Enter the IP address (e.g. 93.184.216.34): ")
+    try:
+      url = socket.gethostbyaddr(ip_address)[0]
+      print(f"The URL for {ip_address} is: {url}")
+    except socket.herror:
+      print("Error: Unable to resolve the IP address.")
+
+  else:
+    print("Invalid choice. Please enter 1 or 2.")
+
+if __name__ == "__main__":
+  dns_lookup()

README.md

@@ -69,7 +69,9 @@ This Git repository is a comprehensive resource for the Computer Networks and Se
 - [Output-B9](https://git.kska.io/sppu-te-comp-content/ComputerNetworksAndSecurity/src/branch/main/Printable%20outputs/Output-B9.pdf)
 
 ##### C10 - DNS
+- [Code-C10](https://git.kska.io/sppu-te-comp-content/ComputerNetworksAndSecurity/src/branch/main/Codes/Code-C10.py)
 - [Handout-C10](https://git.kska.io/sppu-te-comp-content/ComputerNetworksAndSecurity/src/branch/main/Handouts/Handout-C10.pdf)
+- [Output-C10](https://git.kska.io/sppu-te-comp-content/ComputerNetworksAndSecurity/src/branch/main/Printable%20outputs/Output-C10.pdf)
 
 ##### C11 - DHCP
 - [Handout-C11](https://git.kska.io/sppu-te-comp-content/ComputerNetworksAndSecurity/src/branch/main/Handouts/Handout-C11.pdf)