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

Results for*.quant.today

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-08-05T04:29:39.673	2023-08-05T03:29:39	2023-11-03T03:29:38	quant.today	*.quant.today	C=US, O=Let's Encrypt, CN=R3
2023-08-05T04:29:39.673	2023-08-05T03:29:39	2023-11-03T03:29:38	quant.today	*.quant.today	C=US, O=Let's Encrypt, CN=R3
2023-08-05T04:29:39.507	2023-08-05T03:29:39	2023-11-03T03:29:38	quant.today	*.quant.today	C=US, O=Let's Encrypt, CN=R3
2023-08-05T04:29:39.507	2023-08-05T03:29:39	2023-11-03T03:29:38	quant.today	*.quant.today	C=US, O=Let's Encrypt, CN=R3
2021-05-10T18:43:18.6	2021-05-10T00:00:00	2022-05-10T23:59:59	quant.today	*.quant.today	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-05-10T18:43:18.6	2021-05-10T00:00:00	2022-05-10T23:59:59	quant.today	*.quant.today	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1