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

Results forwww.devstaging-wms-api.worknode.ai

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-12-25T00:39:06.33	2021-12-24T23:39:05	2022-03-24T23:39:04	devstaging-wms-api.worknode.ai	devstaging-wms-api.worknode.ai	C=US, O=Let's Encrypt, CN=R3
2021-12-25T00:39:06.076	2021-12-24T23:39:05	2022-03-24T23:39:04	devstaging-wms-api.worknode.ai	devstaging-wms-api.worknode.ai	C=US, O=Let's Encrypt, CN=R3
2021-10-25T14:14:49.392	2021-10-25T13:14:49	2022-01-23T13:14:48	devstaging-wms-api.worknode.ai	devstaging-wms-api.worknode.ai	C=US, O=Let's Encrypt, CN=R3
2021-10-25T14:14:49.206	2021-10-25T13:14:49	2022-01-23T13:14:48	devstaging-wms-api.worknode.ai	devstaging-wms-api.worknode.ai	C=US, O=Let's Encrypt, CN=R3