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

Results for*.testnet.meso.network

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-04-26T16:30:35.673	2023-04-26T15:30:35	2023-07-25T15:30:34	*.testnet.meso.network	*.testnet.meso.network	C=US, O=Let's Encrypt, CN=R3
2023-04-26T16:30:35.673	2023-04-26T15:30:35	2023-07-25T15:30:34	*.testnet.meso.network	*.testnet.meso.network	C=US, O=Let's Encrypt, CN=R3
2023-04-26T16:30:35.528	2023-04-26T15:30:35	2023-07-25T15:30:34	*.testnet.meso.network	*.testnet.meso.network	C=US, O=Let's Encrypt, CN=R3
2023-04-26T16:30:35.528	2023-04-26T15:30:35	2023-07-25T15:30:34	*.testnet.meso.network	*.testnet.meso.network	C=US, O=Let's Encrypt, CN=R3
2023-02-03T22:18:37.279	2023-02-03T21:18:36	2023-05-04T21:18:35	*.testnet.meso.network	*.testnet.meso.network	C=US, O=Let's Encrypt, CN=R3
2023-02-03T22:18:37.279	2023-02-03T21:18:36	2023-05-04T21:18:35	*.testnet.meso.network	*.testnet.meso.network	C=US, O=Let's Encrypt, CN=R3
2023-02-03T22:18:36.835	2023-02-03T21:18:36	2023-05-04T21:18:35	*.testnet.meso.network	*.testnet.meso.network	C=US, O=Let's Encrypt, CN=R3
2023-02-03T22:18:36.835	2023-02-03T21:18:36	2023-05-04T21:18:35	*.testnet.meso.network	*.testnet.meso.network	C=US, O=Let's Encrypt, CN=R3