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

Results forecobank-pte.otp.identrust.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2018-10-14T23:30:06.841	2018-09-25T16:21:48	2020-09-24T16:21:48	ecobank-pte.otp.identrust.com	ecobank-pte.otp.identrust.com	C=US, O=IdenTrust, OU=TrustID Server, CN=TrustID Server CA A52
2018-09-25T16:21:49.344	2018-09-25T16:21:48	2020-09-24T16:21:48	ecobank-pte.otp.identrust.com	ecobank-pte.otp.identrust.com	C=US, O=IdenTrust, OU=TrustID Server, CN=TrustID Server CA A52
2016-10-11T19:45:47.728	2015-10-06T15:46:55	2018-10-05T15:46:55	ecobank-pte.otp.identrust.com	ecobank-pte.otp.identrust.com	C=US, O=IdenTrust, OU=TrustID Server, CN=TrustID Server CA A52