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

Results for*.alex.dev.bitkitchen.co

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2017-09-11T18:02:28.148	2017-09-08T00:00:00	2018-10-08T12:00:00	alex.dev.bitkitchen.co	*.alex.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2017-09-11T18:02:28.148	2017-09-08T00:00:00	2018-10-08T12:00:00	alex.dev.bitkitchen.co	*.alex.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2016-10-13T11:20:27.628	2016-10-06T00:00:00	2017-11-06T12:00:00	alex.dev.bitkitchen.co	*.alex.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2016-10-13T11:20:27.628	2016-10-06T00:00:00	2017-11-06T12:00:00	alex.dev.bitkitchen.co	*.alex.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2016-07-01T11:27:21.84	2016-06-07T00:00:00	2017-07-07T12:00:00	alex.dev.bitkitchen.co	*.alex.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2016-07-01T11:27:21.84	2016-06-07T00:00:00	2017-07-07T12:00:00	alex.dev.bitkitchen.co	*.alex.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon