I've worked with banks and financial institutions for quite a while, and I would never pretend to be that sure about one bank, let alone all of them. You picke

I've worked with banks and financial institutions for quite a while, and I would never pretend to be that sure about one bank, let alone all of them. You picked a bad example. I can assure you that the clearing following that very card transaction would involve DNSSEC at least at one point, at least at one bank.