Update app.py

app.py

@@ -65,6 +65,19 @@ async def main():
 def greet(name):
     return "Hello " + name + "!!"
 
+
+async def resolve_hostname(hostname, nameservers):
+    resolver = aiodns.DNSResolver(nameservers=nameservers)
+    result = await resolver.gethostbyname(hostname, socket.AF_UNSPEC)
+    return result
+
+# Example usage with custom DNS servers
+custom_dns_servers = ['1.1.1.1', '8.8.8.8']  # Cloudflare and Google DNS
+hostname = 'api.telegram.org'
+
+addresses = asyncio.run(resolve_hostname(hostname, custom_dns_servers))
+print(addresses.addresses)
+
 if __name__ == "__main__":
     aiodns.servers = set(["8.8.8.8", "1.1.1.1"])