diff --git a/getIPaddress.py b/getIPaddress.py
new file mode 100755
index 0000000..6694e27
--- /dev/null
+++ b/getIPaddress.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+# -*- encoding: UTF8 -*-
+
+# author: Pascal Gollor (https://gitbucket.pgollor.de)
+
+
+import argparse
+import requests
+
+def getPublicIP(ipv4=False, verbose=False):
+	ipstr = '6'
+	if (ipv4):
+		ipstr = '4'
+	r = requests.get('http://v' + ipstr + '.pgollor.de/ip.php?raw')
+	if (not r.ok):
+		raise RuntimeError()
+	
+	ip = r.text
+	if (verbose):
+		print('ip:', ip)
+	
+	return ip
+# end getPublicIP
+
+
+if __name__ == '__main__':
+	parser = argparse.ArgumentParser(description='inwx subdomain update')
+	parser.add_argument('ipv', metavar='ip type', choices=['4', '6'], help='4: IPv4, 6: IPv6')
+	parser.add_argument('-v', '--verbose', action='store_true', help='verbose')
+	args = parser.parse_args()
+	
+	ipv = int(args.ipv)
+	
+	try:
+		getPublicIP(ipv4=ipv==4, verbose=args.verbose)
+	except RuntimeError as e:
+		print(e.args[0])
+	# end try
+# end if
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index df98497..4837a95 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 inwx-domrobot
+requests
diff --git a/update-record.py b/update-record.py
index d688f0c..eb83a2e 100755
--- a/update-record.py
+++ b/update-record.py
@@ -7,6 +7,7 @@
 from INWX.Domrobot import ApiClient
 from configuration import get_account_data
 import argparse
+from getIPaddress import getPublicIP
 
 
 def errorCheck(ret):
@@ -100,6 +101,14 @@
 		
 	# get config and login
 	username, password, shared_secret = get_account_data(True, config_file=args.config_file, config_section=args.config_section)
+	
+	# use puplic ip as content
+	content= args.content
+	if (args.public_ip and (args.mode == 'create' or args.mode == 'update')):
+		if (args.record_type != 'A' and args.record_type != 'AAAA'):
+			raise RuntimeError('Record type have to be A or AAAA')
+		content = getPublicIP(ipv4=(args.record_type=='A'))
+	# end if
 
 	updateRecord(
 		mode=args.mode,
@@ -107,7 +116,7 @@
 		password=password,
 		domain=domain,
 		sub=sub,
-		content=args.content,
+		content=content,
 		record_type=args.record_type,
 		ttl=args.ttl,
 		config_section=args.config_section,
@@ -124,7 +133,6 @@
 	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('-p', '--public-ip', action='store_true', required=False, help='insert public ip. Use A for ip4 an 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)')
 	parser.add_argument('-s', '--config_section', metavar='section', default='live', choices=['live', 'ote'], help='configuration section (live, ote) default: live')
@@ -133,9 +141,8 @@
 
 	args = parser.parse_args()
 
-
 	# do some checks
-	if (args.mode != 'delete' and not args.content):
+	if (args.mode != 'delete' and not args.public_ip and not args.content):
 		raise ValueError("Missing content for domain entry.")
 	# end if