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

Results for*.forecaster.me

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-11-16T01:12:30.126	2020-11-16T00:12:29	2021-02-14T00:12:29	forecaster.me	*.forecaster.me	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-11-16T01:12:30.126	2020-11-16T00:12:29	2021-02-14T00:12:29	forecaster.me	*.forecaster.me	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-11-16T01:12:29.961	2020-11-16T00:12:29	2021-02-14T00:12:29	forecaster.me	*.forecaster.me	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-11-16T01:12:29.961	2020-11-16T00:12:29	2021-02-14T00:12:29	forecaster.me	*.forecaster.me	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-17T01:08:12.673	2020-09-17T00:08:12	2020-12-16T00:08:12	aucunecomission.com	*.forecaster.me	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-17T01:08:12.673	2020-09-17T00:08:12	2020-12-16T00:08:12	aucunecomission.com	*.forecaster.me	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-17T01:08:12.429	2020-09-17T00:08:12	2020-12-16T00:08:12	aucunecomission.com	*.forecaster.me	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-17T01:08:12.429	2020-09-17T00:08:12	2020-12-16T00:08:12	aucunecomission.com	*.forecaster.me	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3