If you landed on reporthesaurus.us-cent.paycomonline.net expecting a working tool or portal, you probably got a blank page. The site is currently returning a 404 error, which means the server can't find the content. That's a red flag for any service — legitimate or not.
This address is a subdomain of Paycom, a reputable payroll and HR software company. The security of the connection itself is fine: the certificate is valid and the connection is encrypted. But a secure connection to a broken page doesn't help. There's no contact information, no privacy policy, and no evidence the site ever had any content indexed in the Wayback Machine.
For a SaaS tool or client portal, you'd expect to see at least a login page or a status message. Instead, this subdomain appears to be either misconfigured, abandoned, or never set up. If you were directed here by a link from Paycom, contact their support directly. Otherwise, steer clear — there's nothing to interact with, and no way to know what data might have been intended for this site.