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

Results fornoumea.work

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2019-06-07T19:53:28.514	2019-06-07T18:53:27	2019-09-05T18:53:27	fldc.bible	noumea.work	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-06-07T19:53:27.768	2019-06-07T18:53:27	2019-09-05T18:53:27	fldc.bible	noumea.work	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-05-27T00:17:07.212	2019-05-26T23:17:06	2019-08-24T23:17:06	fldc.bible	noumea.work	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-05-27T00:17:06.71	2019-05-26T23:17:06	2019-08-24T23:17:06	fldc.bible	noumea.work	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-05-22T20:11:18.732	2019-05-22T19:11:17	2019-08-20T19:11:17	fldc.bible	noumea.work	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-05-22T20:11:17.921	2019-05-22T19:11:17	2019-08-20T19:11:17	fldc.bible	noumea.work	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-04-04T03:28:48.709	2019-04-04T02:28:47	2019-07-03T02:28:47	noumea.work	noumea.work	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-04-04T03:28:47.559	2019-04-04T02:28:47	2019-07-03T02:28:47	noumea.work	noumea.work	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3