Unfortunately have been changed back-end system > configuration > web > Unsecure and secure url. when you are trying to access admin panel but url redirect to another domain.
core_config_data:
|| New version magento 2 PHP Extension intl is missing 1. Go to the file php.ini 2. Search for ;extension=php_intl.dll 3. Remove semicolon and restart server. It will work. || Magento 1.4v-1.9.1 version 1. Go to the file php.ini 2. Search for ;extension=php_curl.dll 3. Remove semicolon and restart server. It will work.