diff --git a/update-record.py b/update-record.py
index 519056a..72330c4 100755
--- a/update-record.py
+++ b/update-record.py
@@ -19,7 +19,7 @@
 # end errorCheck
 
 
-def updateRecord(mode, username, password, domain, sub, record_type, ttl, content=None, config_section="live", verbose=False):
+def updateRecord(mode, username, password, domain, sub, record_type, ttl, content=None, config_section="live", update_only_changes=True, verbose=False):
 	debug_mode = False
 	api_url = ApiClient.API_LIVE_URL
 	if (config_section == "ote"):
@@ -30,7 +30,6 @@
 	if (verbose):
 		print("login:", ret)
 
-
 	# check domain
 	ret = errorCheck(api_client.call_api(api_method='nameserver.list', method_params={'domain': domain}))
 	if (verbose):
@@ -42,11 +41,14 @@
 	# looking if subdomain exists
 	ret = errorCheck(api_client.call_api(api_method='nameserver.info', method_params={'domain': domain}))
 	records = ret['resData']['record']
+	if (verbose):
+		print(records)
 
+	fqdn = sub + '.' + domain
 	if (mode == "delete" or mode == "update"):
 		recordFound = False
 		for r in records:
-			if (r['name'] == domain and r['type'] == record_type):
+			if (r['name'] == fqdn and r['type'] == record_type):
 				recordFound = True
 				if (verbose):
 					print('entry:', r)
@@ -62,6 +64,8 @@
 						print('delete:', ret)
 				# update entry
 				elif (mode == "update"):
+					if (update_only_changes and content == r['content']):
+						continue
 					ret = errorCheck(api_client.call_api(api_method='nameserver.updateRecord', method_params={'id': r['id'], 'type': record_type, 'content': content, 'ttl': ttl}))
 					if (verbose):
 						print('update:', ret)
@@ -124,6 +128,7 @@
 		record_type=args.record_type,
 		ttl=args.ttl,
 		config_section=args.config_section,
+		update_only_changes=args.update_only_changes,
 		verbose=args.verbose
 	)
 # end main
@@ -136,6 +141,7 @@
 	parser.add_argument('content', metavar='content', nargs='?', default=None, help='ip or string to fill/update into subdomain domain entry')
 	parser.add_argument('-r', '--record-type', metavar='type', required=True, choices=['A', 'AAAA', 'TXT', 'CNAME', 'TLSA'], help='record type (A, AAAA, TXT, CNAME, TLSA)')
 	parser.add_argument('-m', '--mode', metavar='mode', required=True, choices=['create', 'update', 'delete'], help='operation mode (create, update, delete)\nupdate:update all existing records if one exists, or create if not existing\ndelete: delete existing record with given content, or delete all records if no content is given')
+	parser.add_argument('--update-only-changes', action='store_false', required=False, help='Do not update entry if content has changed. Default is aktive')
 	parser.add_argument('-p', '--public-ip', action='store_true', required=False, help='insert public ip. Use -r A for ip4 an -r AAAA for ipv6')
 	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)')