It can be anything! An apex, subdomain, or even a URL.

Results for*.nls.aliyun.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-01-27T12:11:29.304	2016-08-11T10:14:37	2017-08-12T10:14:37	*.nls.aliyun.com	*.nls.aliyun.com	C=BE, O=GlobalSign nv-sa, CN=GlobalSign Organization Validation CA - SHA256 - G2
2020-01-27T12:11:29.304	2016-08-11T10:14:37	2017-08-12T10:14:37	*.nls.aliyun.com	*.nls.aliyun.com	C=BE, O=GlobalSign nv-sa, CN=GlobalSign Organization Validation CA - SHA256 - G2
2016-03-08T11:49:17.947	2015-07-29T00:00:00	2016-07-28T23:59:59	*.nls.aliyun.com	*.nls.aliyun.com	C=US, O="VeriSign, Inc.", OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Secure Server CA - G3
2016-03-08T11:49:17.947	2015-07-29T00:00:00	2016-07-28T23:59:59	*.nls.aliyun.com	*.nls.aliyun.com	C=US, O="VeriSign, Inc.", OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Secure Server CA - G3