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

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

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-11-11T06:49:27.118	2021-11-11T05:49:26	2022-02-09T05:49:25	myafrinic2-es.dev.iso.afrinic.net	myafrinic2-es.dev.iso.afrinic.net	C=US, O=Let's Encrypt, CN=R3
2021-11-11T06:49:26.479	2021-11-11T05:49:26	2022-02-09T05:49:25	myafrinic2-es.dev.iso.afrinic.net	myafrinic2-es.dev.iso.afrinic.net	C=US, O=Let's Encrypt, CN=R3
2021-07-13T06:41:06.55	2021-07-13T05:41:06	2021-10-11T05:41:05	myafrinic2-es.dev.iso.afrinic.net	myafrinic2-es.dev.iso.afrinic.net	C=US, O=Let's Encrypt, CN=R3
2021-07-13T06:41:06.279	2021-07-13T05:41:06	2021-10-11T05:41:05	myafrinic2-es.dev.iso.afrinic.net	myafrinic2-es.dev.iso.afrinic.net	C=US, O=Let's Encrypt, CN=R3
2021-05-03T12:34:02.494	2021-05-03T11:34:02	2021-08-01T11:34:02	myafrinic2-es.dev.iso.afrinic.net	myafrinic2-es.dev.iso.afrinic.net	C=US, O=Let's Encrypt, CN=R3
2021-05-03T12:34:02.254	2021-05-03T11:34:02	2021-08-01T11:34:02	myafrinic2-es.dev.iso.afrinic.net	myafrinic2-es.dev.iso.afrinic.net	C=US, O=Let's Encrypt, CN=R3