diff --git a/update-record.py b/update-record.py
new file mode 100755
index 0000000..0c57254
--- /dev/null
+++ b/update-record.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python
+# -*- encoding: UTF8 -*-
+
+# author: Pascal Gollor (https://gitbucket.pgollor.de)
+# author: InterNetworX, info →AT→ inwx.de
+
+#############################################################################
+###### This is an example of how to use the inwx class #######
+
+from inwx.inwx import domrobot, prettyprint
+from inwx.configuration import get_account_data
+import sys
+import argparse
+
+
+def main(args):
+	verbose = args.verbose
+	domain = args.domain
+
+	# split domain
+	h = domain.split('.')
+	if (len(h) != 3):
+		raise ValueError("invalid subdomain")
+	# end if
+	sub = h[0]
+	domain = h[1] + '.' + h[2]
+
+	if (args.debug):
+		print(args)
+	# end if
+
+	api_url, username, password, shared_secret = get_account_data(True, config_file=args.config_file, config_section=args.config_section)
+	inwx_conn = domrobot(api_url, False)
+	ret = inwx_conn.account.login({'lang': args.language, 'user': username, 'pass': password})
+	if (verbose):
+		print("login: " + str(ret))
+	# end if
+
+
+	# check domain
+	ret = inwx_conn.nameserver.list({'domain': domain})
+	if (verbose):
+		print('list: ' + str(ret))
+	# end if
+	if (ret['resData']['count'] == 0):
+		raise RuntimeError("You are not user of this domain.")
+	# end if
+
+
+	# looking if subdomain exists
+	subId = -1
+	ret = inwx_conn.nameserver.info({'domain': domain})
+	records = ret['resData']['record']
+	
+	for r in records:
+		if (r['name'] == args.domain):
+			subId = r['id']
+			if (verbose):
+				print(r)
+			# end if
+			break
+		# end if
+	# end for
+
+	if (verbose):
+		print('subdomain id: ' + str(subId))
+	# end if
+
+	if (subId < 0):
+		ret = inwx_conn.nameserver.createRecord({'domain': domain, 'name': sub, 'type': args.record_type,'content': str(args.content), 'ttl': args.ttl})
+	else:
+		ret = inwx_conn.nameserver.updateRecord({'id': subId, 'type': args.record_type, 'content': str(args.content), 'ttl': args.ttl})
+	# end if
+
+	if (verbose):
+		print('update/create: ' + str(ret))
+	# end if
+
+# end main
+
+
+if __name__ == '__main__':
+	parser = argparse.ArgumentParser(description='inwx subdomain update')
+
+	parser.add_argument('domain', metavar='domain', help='full domain like subdomain.example.com')
+	parser.add_argument('content', metavar='content', help='ip or string to fill into sub domain entry')
+	parser.add_argument('-r', '--record-type', metavar='type', required=True, choices=['A', 'AAAA', 'TXT', 'CNAME'], help='record type (A, AAAA, TXT, CNAME)')
+
+	parser.add_argument('-c', '--config_file', metavar='path', default='./conf.cfg', help='path to configuration file')
+	parser.add_argument('-t', '--ttl', default=3600, type=int, help='TTL (time to live) of the nameserver record in seconds (default 3600)')
+	parser.add_argument('-s', '--config_section', metavar='section', default='ote', choices=['live', 'ote'], help='configuration section (live, ote)')
+	parser.add_argument('-l', '--language', metavar='lang', default='en', choices=['de', 'en'], help='answer language (de, en)')
+	parser.add_argument('-v', '--verbose', action='store_true', help='verbose')
+	parser.add_argument('-d', '--debug', action='store_true', help='debug')
+
+	args = parser.parse_args()
+
+	if (args.debug):
+		main(args)
+	else:
+		try:
+			main(args)
+		except NameError as e:
+			print(e.args[0])
+		# end try
+	# end if
+
+# end if
+