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

Results forlync-admin.slpowers.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2018-01-16T17:23:47.364	2016-11-08T22:42:38	2018-10-16T15:05:38	slp-lync.slpowers.com	lync-admin.slpowers.com	C=US, ST=Arizona, L=Scottsdale, O="Starfield Technologies, Inc.", OU=http://certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2
2018-01-16T15:42:03.573	2015-10-16T15:05:38	2018-10-16T15:05:38	slp-lync.slpowers.com	lync-admin.slpowers.com	C=US, ST=Arizona, L=Scottsdale, O="Starfield Technologies, Inc.", OU=http://certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2
2016-10-02T11:56:21.207	2013-02-05T22:52:21	2015-10-16T14:26:49	SLP-Lync.slpowers.com	lync-admin.slpowers.com	C=US, ST=Arizona, L=Scottsdale, O="Starfield Technologies, Inc.", OU=http://certificates.starfieldtech.com/repository, CN=Starfield Secure Certification Authority, serialNumber=10688435
2016-10-02T04:27:08.988	2012-10-16T14:26:49	2015-10-16T14:26:49	SLP-Lync.slpowers.com	lync-admin.slpowers.com	C=US, ST=Arizona, L=Scottsdale, O="Starfield Technologies, Inc.", OU=http://certificates.starfieldtech.com/repository, CN=Starfield Secure Certification Authority, serialNumber=10688435
2016-10-02T01:27:13.603	2012-02-21T20:27:01	2013-02-15T21:49:33	SLP-Lync.slpowers.com	lync-admin.slpowers.com	C=US, ST=Arizona, L=Scottsdale, O="Starfield Technologies, Inc.", OU=http://certificates.starfieldtech.com/repository, CN=Starfield Secure Certification Authority, serialNumber=10688435