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

Results for*.teamsbot.eventbuilder.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-06-27T02:11:08.338	2020-06-27T00:00:00	2021-06-27T23:59:59	*.teamsbot.eventbuilder.com	*.teamsbot.eventbuilder.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2020-06-27T02:11:08.338	2020-06-27T00:00:00	2021-06-27T23:59:59	*.teamsbot.eventbuilder.com	*.teamsbot.eventbuilder.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2020-06-27T02:11:08.032	2020-06-27T00:00:00	2021-06-27T23:59:59	*.teamsbot.eventbuilder.com	*.teamsbot.eventbuilder.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2020-06-27T02:11:08.032	2020-06-27T00:00:00	2021-06-27T23:59:59	*.teamsbot.eventbuilder.com	*.teamsbot.eventbuilder.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA