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

Results for*.marketswift.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-03-11T00:14:04.469	2020-03-11T00:00:00	2021-04-11T12:00:00	*.marketswift.com	*.marketswift.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-03-11T00:14:04.469	2020-03-11T00:00:00	2021-04-11T12:00:00	*.marketswift.com	*.marketswift.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-06-04T22:15:02.025	2019-06-04T00:00:00	2020-07-04T12:00:00	*.marketswift.com	*.marketswift.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-06-04T22:15:02.025	2019-06-04T00:00:00	2020-07-04T12:00:00	*.marketswift.com	*.marketswift.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-04-09T18:53:33.162	2019-04-09T00:00:00	2020-05-09T12:00:00	*.marketswift.com	*.marketswift.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-04-09T18:53:33.162	2019-04-09T00:00:00	2020-05-09T12:00:00	*.marketswift.com	*.marketswift.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon