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

Results for*.cloud.enteo.pl

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2018-02-09T01:03:30.358	2018-02-05T13:38:43	2019-02-05T13:38:43	*.cloud.enteo.pl	*.cloud.enteo.pl	C=PL, O=Unizeto Technologies S.A., OU=Certum Certification Authority, CN=Certum Domain Validation CA SHA2
2018-02-09T01:03:30.358	2018-02-05T13:38:43	2019-02-05T13:38:43	*.cloud.enteo.pl	*.cloud.enteo.pl	C=PL, O=Unizeto Technologies S.A., OU=Certum Certification Authority, CN=Certum Domain Validation CA SHA2
2017-02-06T15:31:02.425	2017-02-03T16:31:15	2018-02-03T16:31:15	*.cloud.enteo.pl	*.cloud.enteo.pl	C=PL, O=Unizeto Technologies S.A., OU=Certum Certification Authority, CN=Certum Domain Validation CA SHA2
2017-02-06T15:31:02.425	2017-02-03T16:31:15	2018-02-03T16:31:15	*.cloud.enteo.pl	*.cloud.enteo.pl	C=PL, O=Unizeto Technologies S.A., OU=Certum Certification Authority, CN=Certum Domain Validation CA SHA2