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

Results for*.testrobo.io

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-09-11T04:21:14.127	2020-08-12T00:00:00	2021-09-11T12:00:00	www.testrobo.io	*.testrobo.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-09-11T04:21:14.127	2020-08-12T00:00:00	2021-09-11T12:00:00	www.testrobo.io	*.testrobo.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-08-12T02:09:52.637	2020-08-12T00:00:00	2021-09-11T12:00:00	www.testrobo.io	*.testrobo.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-08-12T02:09:52.637	2020-08-12T00:00:00	2021-09-11T12:00:00	www.testrobo.io	*.testrobo.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-09-29T13:47:45.635	2019-09-10T00:00:00	2020-10-10T12:00:00	www.testrobo.io	*.testrobo.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-09-29T13:47:45.635	2019-09-10T00:00:00	2020-10-10T12:00:00	www.testrobo.io	*.testrobo.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-09-10T11:47:00.937	2019-09-10T00:00:00	2020-10-10T12:00:00	www.testrobo.io	*.testrobo.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-09-10T11:47:00.937	2019-09-10T00:00:00	2020-10-10T12:00:00	www.testrobo.io	*.testrobo.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-09-10T11:29:13.598	2019-09-10T00:00:00	2020-10-10T12:00:00	testrobo.io	*.testrobo.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-09-10T11:29:13.598	2019-09-10T00:00:00	2020-10-10T12:00:00	testrobo.io	*.testrobo.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon