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

Results forredirector-prod.symc.symantec.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-01-22T10:20:52.322	2020-01-17T00:00:00	2020-07-26T12:00:00	redirector-prod.symc.symantec.com	redirector-prod.symc.symantec.com	C=US, O=DigiCert Inc, CN=DigiCert SHA2 Secure Server CA
2020-01-17T03:48:33.292	2020-01-17T00:00:00	2020-07-26T12:00:00	redirector-prod.symc.symantec.com	redirector-prod.symc.symantec.com	C=US, O=DigiCert Inc, CN=DigiCert SHA2 Secure Server CA
2019-12-21T11:50:40.983	2019-10-23T00:00:00	2020-07-26T12:00:00	redirector-prod.symc.symantec.com	redirector-prod.symc.symantec.com	C=US, O=DigiCert Inc, CN=DigiCert SHA2 Secure Server CA
2019-10-23T17:07:15.938	2019-10-23T00:00:00	2020-07-26T12:00:00	redirector-prod.symc.symantec.com	redirector-prod.symc.symantec.com	C=US, O=DigiCert Inc, CN=DigiCert SHA2 Secure Server CA
2019-10-18T03:49:22.172	2019-10-18T00:00:00	2020-07-26T12:00:00	redirector-prod.symc.symantec.com	redirector-prod.symc.symantec.com	C=US, O=DigiCert Inc, CN=DigiCert SHA2 Secure Server CA
2019-07-25T17:40:10.533	2019-07-25T00:00:00	2020-07-25T12:00:00	redirector-prod.symc.symantec.com	redirector-prod.symc.symantec.com	C=US, O=DigiCert Inc, CN=DigiCert SHA2 Secure Server CA