Client has wildcard SSL for his domain/subdomains.
The application we are building is on one of our linux servers using one of our IP addresses and is contained within an account named www.somedomain.com. Our plan was to set the SSL cert up on our server.
Client suggested we can use HIS wildcard SSL cert for the application/site. He suggested that all he needs is SHA2 on our server.
Will his SSL Certificate cause browsers to warn about the domains changing? The browser requests will always be made at his.subdomain.com and directed to www.somedomain.com via an A record and a parked domain on our server.
Do I in fact need the SSL for our server and domain?