diff --git a/SARA/sara.py b/SARA/sara.py
index 2e40ee9..aeb9374 100755
--- a/SARA/sara.py
+++ b/SARA/sara.py
@@ -6,7 +6,9 @@
  |____/_/   \_\_| \_\/_/   \_\
                               
 Script to see if the SARA-R410 is running
-ex: 
+ex:
+python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 ATI 2
+ex 1 (get SIM infos)
 python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 AT+CCID? 2
 ex 2 (turn on blue light):
 python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 AT+UGPIOC=16,2 2
@@ -14,6 +16,8 @@ ex 3 (reconnect network)
 python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 AT+COPS=1,2,20801 20
 ex 4 (get HTTP Profiles)
 python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 AT+UHTTP? 2
+ex 5 (get IP addr)
+python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 AT+CGPADDR=1 2
 
 '''
 
diff --git a/SARA/sara_checkDNS.py b/SARA/sara_checkDNS.py
new file mode 100644
index 0000000..fbbe199
--- /dev/null
+++ b/SARA/sara_checkDNS.py
@@ -0,0 +1,79 @@
+'''
+  ____    _    ____      _    
+ / ___|  / \  |  _ \    / \   
+ \___ \ / _ \ | |_) |  / _ \  
+  ___) / ___ \|  _ <  / ___ \ 
+ |____/_/   \_\_| \_\/_/   \_\
+                              
+Script to resolve DNS (get IP from domain name) with AT+UDNSRN command
+Ex:
+/usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/sara_checkDNS.py ttyAMA2 data.nebuleair.fr
+To do: need to add profile id as parameter
+
+'''
+
+import serial
+import time
+import sys
+import json
+
+parameter = sys.argv[1:]  # Exclude the script name
+#print("Parameters received:")
+port='/dev/'+parameter[0] # ex: ttyAMA2
+url = parameter[1]  # ex: data.mobileair.fr
+
+
+#get baudrate
+def load_config(config_file):
+    try:
+        with open(config_file, 'r') as file:
+            config_data = json.load(file)
+        return config_data
+    except Exception as e:
+        print(f"Error loading config file: {e}")
+        return {}
+
+# Define the config file path
+config_file = '/var/www/nebuleair_pro_4g/config.json'
+# Load the configuration data
+config = load_config(config_file)
+# Access the shared variables
+baudrate = config.get('SaraR4_baudrate', 115200)
+
+ser = serial.Serial(
+    port=port,  #USB0 or ttyS0
+    baudrate=baudrate, #115200 ou 9600
+    parity=serial.PARITY_NONE, #PARITY_NONE, PARITY_EVEN or PARITY_ODD
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout = 2
+)
+
+command = f'AT+UDNSRN=0,"{url}"\r'
+ser.write((command + '\r').encode('utf-8'))
+
+print("****")
+print("DNS check")
+
+try:
+    # Read lines until a timeout occurs
+    response_lines = []
+    while True:
+        line = ser.readline().decode('utf-8').strip()
+        if not line:
+            break  # Break the loop if an empty line is encountered
+        response_lines.append(line)
+
+    # Print the response
+    for line in response_lines:
+        print(line)
+
+except serial.SerialException as e:
+    print(f"Error: {e}")
+
+finally:
+    if ser.is_open:
+        ser.close()
+        print("****")
+        #print("Serial closed")
+
diff --git a/SARA/sara_setAPN.py b/SARA/sara_setAPN.py
index 0e5a83f..aad7243 100755
--- a/SARA/sara_setAPN.py
+++ b/SARA/sara_setAPN.py
@@ -49,6 +49,8 @@ ser = serial.Serial(
 )
 
 command = f'AT+CGDCONT=1,"IP","{apn_address}"\r'
+#command = f'AT+CGDCONT=1,"IPV4V6","{apn_address}"\r'
+#command = f'AT+CGDCONT=1,"IP","{apn_address}",0,0\r'
 ser.write((command + '\r').encode('utf-8'))