Your ISP likely has multiple datacenters. And even if they don’t, their provider almost certainly does. Your DNS ultimately comes from a datacenter. Your machines clock is likely syncing with a NIST that is, once again, hosted in a datacenter.
A datacenter isn’t some magical thing that only a few companies have, if you’re dealing with a large anything that hosts its own or others data, they more than likely have a datacenter.
Unless you use cloudflare, no you don’t.
Your ISP likely has multiple datacenters. And even if they don’t, their provider almost certainly does. Your DNS ultimately comes from a datacenter. Your machines clock is likely syncing with a NIST that is, once again, hosted in a datacenter.
A datacenter isn’t some magical thing that only a few companies have, if you’re dealing with a large anything that hosts its own or others data, they more than likely have a datacenter.