The use of a message envelope has many benefits for the design of your application. It allows you to carry system information, nicely separated from domain information, in a generic way.
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The ghost domain problem in DNS, and what we’re doing about it
A good write-up on the ghost domain problem in DNS: domains removed from a registry can still appear healthy to uptime checkers because recursive resolvers keep stale delegations warm. The Oh Dear team explains the Read more…