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

Results forin.snaprunner.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-04-08T18:04:52.644	2020-04-08T17:04:52	2020-07-07T17:04:52	snaprunner.com	ideastreet.in.snaprunner.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-04-08T18:04:52.508	2020-04-08T17:04:52	2020-07-07T17:04:52	snaprunner.com	ideastreet.in.snaprunner.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-03-28T13:37:47.152	2020-03-28T12:37:46	2020-06-26T12:37:46	snaprunner.com	ideastreet.in.snaprunner.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-03-28T13:37:46.981	2020-03-28T12:37:46	2020-06-26T12:37:46	snaprunner.com	ideastreet.in.snaprunner.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-03-17T09:23:11.566	2020-03-17T08:23:11	2020-06-15T08:23:11	snaprunner.com.snaprunner.com	smartdesign.in.snaprunner.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-03-17T09:23:11.335	2020-03-17T08:23:11	2020-06-15T08:23:11	snaprunner.com.snaprunner.com	smartdesign.in.snaprunner.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3