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

Results formyafrinic2-log.dev.iso.afrinic.net

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-11-11T06:49:40.338	2021-11-11T05:49:39	2022-02-09T05:49:38	myafrinic2-log.dev.iso.afrinic.net	myafrinic2-log.dev.iso.afrinic.net	C=US, O=Let's Encrypt, CN=R3
2021-11-11T06:49:39.785	2021-11-11T05:49:39	2022-02-09T05:49:38	myafrinic2-log.dev.iso.afrinic.net	myafrinic2-log.dev.iso.afrinic.net	C=US, O=Let's Encrypt, CN=R3
2021-07-13T06:41:20.224	2021-07-13T05:41:20	2021-10-11T05:41:19	myafrinic2-log.dev.iso.afrinic.net	myafrinic2-log.dev.iso.afrinic.net	C=US, O=Let's Encrypt, CN=R3
2021-07-13T06:41:20.098	2021-07-13T05:41:20	2021-10-11T05:41:19	myafrinic2-log.dev.iso.afrinic.net	myafrinic2-log.dev.iso.afrinic.net	C=US, O=Let's Encrypt, CN=R3
2021-05-03T12:21:22.207	2021-05-03T11:21:21	2021-08-01T11:21:21	myafrinic2-log.dev.iso.afrinic.net	myafrinic2-log.dev.iso.afrinic.net	C=US, O=Let's Encrypt, CN=R3
2021-05-03T12:21:22	2021-05-03T11:21:21	2021-08-01T11:21:21	myafrinic2-log.dev.iso.afrinic.net	myafrinic2-log.dev.iso.afrinic.net	C=US, O=Let's Encrypt, CN=R3