Whois server: whois.cnnic.net.cn Domain Name: builder.cn ROID: 20030311s10001s00025020-cn Domain Status: ok Registrant: 北京国网信息有限责任公司 Registrant Contact Email: [email protected] Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: dns1.hichina.com Name Server: dns2.hichina.com Registration Time: 2003-03-17 12:20:05 Expiration Time: 2025-03-17 12:48:36 DNSSEC: unsigned