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

Results forwww.joining.absolutdata.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-11-16T09:44:31.003	2021-11-16T09:44:26	2022-01-22T12:36:23	joining.absolutdata.com	www.joining.absolutdata.com	C=US, ST=Arizona, L=Scottsdale, O="GoDaddy.com, Inc.", OU=http://certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2
2020-12-21T12:36:24.889	2020-12-21T12:36:23	2022-01-22T12:36:23	joining.absolutdata.com	www.joining.absolutdata.com	C=US, ST=Arizona, L=Scottsdale, O="GoDaddy.com, Inc.", OU=http://certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2
2020-02-19T15:00:23.183	2020-02-19T15:00:20	2021-02-19T15:00:20	joining.absolutdata.com	www.joining.absolutdata.com	C=US, ST=Arizona, L=Scottsdale, O="GoDaddy.com, Inc.", OU=http://certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2