| Date | IPv4 | IPv6 | MX and NS |
|---|---|---|---|
| Latest | www.sigmaaldrich.cn.edgekey.net. | ||
| 2024-10-13 08:54:43 | www.sigmaaldrich.cn.edgekey.net. | ||
| 2024-09-25 05:55:25 | www.sigmaaldrich.cn.edgekey.net. | ||
| 2024-05-03 17:44:16 | www.sigmaaldrich.cn.edgekey.net. | ||
| 2023-12-06 17:44:18 | www.sigmaaldrich.cn.edgekey.net. | ||
| 2022-10-16 15:57:42 | www.sigmaaldrich.cn.edgekey.net. | ||
| 2022-03-28 06:26:30 | www.sigmaaldrich.cn.edgekey.net. |