app.py

import socket

def test_dns_resolution():
    try:
        # Telegram API hostname
        host = 'api.telegram.org'
        print(f"Resolving DNS for {host}")
        ip = socket.gethostbyname(host)
        print(f"DNS resolution successful: {ip}")
    except socket.gaierror as e:
        print(f"DNS resolution failed: {e}")

if __name__ == "__main__":
    test_dns_resolution()