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

Results for*.john.dev.bitkitchen.co

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2018-01-16T20:47:48.166	2017-09-22T00:00:00	2018-10-22T12:00:00	john.dev.bitkitchen.co	*.john.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2018-01-16T20:47:48.166	2017-09-22T00:00:00	2018-10-22T12:00:00	john.dev.bitkitchen.co	*.john.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2017-11-02T17:47:23.49	2017-10-31T00:00:00	2018-11-30T12:00:00	john.dev.bitkitchen.co	*.john.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2017-11-02T17:47:23.49	2017-10-31T00:00:00	2018-11-30T12:00:00	john.dev.bitkitchen.co	*.john.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2016-11-30T13:44:41.88	2016-11-29T00:00:00	2017-12-29T12:00:00	john.dev.bitkitchen.co	*.john.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2016-11-30T13:44:41.88	2016-11-29T00:00:00	2017-12-29T12:00:00	john.dev.bitkitchen.co	*.john.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2016-10-09T11:22:34.429	2016-10-06T00:00:00	2017-11-06T12:00:00	john.dev.bitkitchen.co	*.john.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2016-10-09T11:22:34.429	2016-10-06T00:00:00	2017-11-06T12:00:00	john.dev.bitkitchen.co	*.john.dev.bitkitchen.co	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon