Doesn’t the need to specify those in addition (“and he’s gotta be …”) mean those are characteristics that aren’t necessarily inherent to being a hero?

SSO is “single sign on”. DNS is “domain name service”, which is just a way to turn a hostname (like www.google.com) into an IP address. It’s sort of like a phone directory, but for the Internet.

On the off chance that you’re like me and would prefer to know, the phrase is typically “case in point”.

Are you explaining Draegur to Draegur?

I remember making that trip in the 90s, but I was too drunk at the border to find my driver’s license in my pocket so they just waved me through anyway. Those were different times.

Yes, German Shepherd Dog.