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

Results forws.devmaster.eventbuilder.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-09-13T19:55:41.324	2021-09-13T00:00:00	2022-10-14T23:59:59	devmaster.eventbuilder.com	ws.devmaster.eventbuilder.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2021-09-13T19:55:40.587	2021-09-13T00:00:00	2022-10-14T23:59:59	devmaster.eventbuilder.com	ws.devmaster.eventbuilder.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2020-07-10T21:29:52.666	2020-07-10T00:00:00	2021-09-16T23:59:59	devmaster.eventbuilder.com	ws.devmaster.eventbuilder.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2020-07-10T21:29:52.344	2020-07-10T00:00:00	2021-09-16T23:59:59	devmaster.eventbuilder.com	ws.devmaster.eventbuilder.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2019-09-17T19:27:04.248	2019-09-17T00:00:00	2021-09-16T23:59:59	devmaster.eventbuilder.com	ws.devmaster.eventbuilder.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2019-09-17T19:26:48.823	2019-09-17T00:00:00	2021-09-16T23:59:59	devmaster.eventbuilder.com	ws.devmaster.eventbuilder.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA