Comment by Insanity
It's pretty unlikely. AWS published a public 'RCA' https://aws.amazon.com/message/101925/. A race condition in a DNS 'record allocator' causing all DNS records for DDB to be wiped out.
I'm simplifying a bit, but I don't think it's likely that Azure has a similar race condition wiping out DNS records on _one_ system than then propagates to all others. The similarity might just end at "it was DNS".
That RCA was fun. A distributed system with members that don't know about each other, don't bother with leader elections, and basically all stomp all over each other updating the records. It "worked fine" until one of the members had slightly increased latency and everything cascade-failed down from there. I'm sure there was missing (internal) context but it did not sound like a well-architected system at all.