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

Results forwww.sdsms-systest.identrust.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-08-04T14:22:35.668	2020-08-04T14:22:34	2022-08-04T14:22:34	sdsms-systest.identrust.com	sdsms-systest.identrust.com	C=US, O=IdenTrust, OU=TrustID Server, CN=TrustID Server CA O1
2018-09-10T21:27:47.841	2018-09-10T21:27:46	2020-08-28T21:27:46	sdsms-systest.identrust.com	sdsms-systest.identrust.com	C=US, O=IdenTrust, OU=TrustID Server, CN=TrustID Server CA A52
2018-08-29T18:15:16.357	2018-08-29T18:15:15	2020-08-28T18:15:15	sdsms-systest.identrust.com	sdsms-systest.identrust.com	C=US, O=IdenTrust, OU=TrustID Server, CN=TrustID Server CA A52
2018-08-29T18:08:36.379	2018-08-29T18:08:32	2020-08-28T18:08:32	sdsms-systest.identrust.com	sdsms-systest.identrust.com	C=US, O=IdenTrust, OU=TrustID Server, CN=TrustID Server CA A52