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

Results for*.nominaldata.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-01-17T17:16:55.571	2023-01-17T16:16:55	2023-04-17T16:16:54	nominaldata.com	*.nominaldata.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T17:16:55.571	2023-01-17T16:16:55	2023-04-17T16:16:54	nominaldata.com	*.nominaldata.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T17:16:55.389	2023-01-17T16:16:55	2023-04-17T16:16:54	nominaldata.com	*.nominaldata.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T17:16:55.389	2023-01-17T16:16:55	2023-04-17T16:16:54	nominaldata.com	*.nominaldata.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:18:02.776	2022-11-18T14:18:02	2023-02-16T14:18:01	nominaldata.com	*.nominaldata.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:18:02.776	2022-11-18T14:18:02	2023-02-16T14:18:01	nominaldata.com	*.nominaldata.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:18:02.667	2022-11-18T14:18:02	2023-02-16T14:18:01	nominaldata.com	*.nominaldata.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:18:02.667	2022-11-18T14:18:02	2023-02-16T14:18:01	nominaldata.com	*.nominaldata.com	C=US, O=Let's Encrypt, CN=R3