Welcome to use the Baidu version of Yuhai domain name and IP query tool. The running environment requirements of this tool are: PHP. Upgrade instructions: Supplementary query record text database history main functions: 1. Enter the IP address or domain name to query the corresponding geographical location; 2. This tool does not require an IP address library, making it simpler and more convenient; 3. DIV+CSS template is easy to modify; 4. Free, open source programs.