> even then you must depend on the centralized domain name system to host your MX record I've been running my own DNS servers for 20+ years too. Don't we typi

> even then you must depend on the centralized domain name system to host your MX record I've been running my own DNS servers for 20+ years too. Don't we typically describe the DNS system as "hierarchical and decentralized"[0]? [0] https://en.wikipedia.org/wiki/Domain_Name_System https://en.wikipedia.org/wiki/Domain_Name_System