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

Results for*.api.eventlink.me

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-02-11T01:19:19.566	2020-02-08T00:00:00	2021-03-08T12:00:00	eventlink.me	*.api.eventlink.me	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-02-11T01:19:19.566	2020-02-08T00:00:00	2021-03-08T12:00:00	eventlink.me	*.api.eventlink.me	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-02-08T07:06:24.173	2020-02-08T00:00:00	2021-03-08T12:00:00	eventlink.me	*.api.eventlink.me	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-02-08T07:06:24.173	2020-02-08T00:00:00	2021-03-08T12:00:00	eventlink.me	*.api.eventlink.me	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-02-08T06:37:06.538	2020-02-08T00:00:00	2021-03-08T12:00:00	eventlink.me	*.api.eventlink.me	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-02-08T06:37:06.538	2020-02-08T00:00:00	2021-03-08T12:00:00	eventlink.me	*.api.eventlink.me	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-02-07T10:38:44.577	2020-02-07T00:00:00	2021-03-07T12:00:00	eventlink.me	*.api.eventlink.me	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-02-07T10:38:44.577	2020-02-07T00:00:00	2021-03-07T12:00:00	eventlink.me	*.api.eventlink.me	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon