| 备案类型 | 企业 |
| 备案主体 | 北京和隆优化科技股份有限公司 |
| 备案号 | 京ICP备13020522号-1 |
| 审核通过日期 | 2022-07-18 |
| 备案时间 | 2022-07-18 至 2026-09-23 |
[Querying whois.verisign-grs.com]
[whois.verisign-grs.com]
Domain Name: YHKZ.COM
Registry Domain ID: 1565006533_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.oray.com
Registrar URL: http://www.oray.com
Updated Date: 2025-06-17T02:26:05Z
Creation Date: 2009-08-08T19:20:32Z
Registry Expiry Date: 2026-08-08T19:20:32Z
Registrar: Shanghai Best Oray Information S&T Co., Ltd.
Registrar IANA ID: 1518
Registrar Abuse Contact Email: domain@oray.com
Registrar Abuse Contact Phone: +86.4006010000
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.ORAY.NET
Name Server: NS2.ORAY.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2026-03-10T21:31:01Z <<<
以上信息更新时间:2026-03-11