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The TTL was only 60 seconds so I'm sure they were implementing a manual change, and it lasted much longer than a fail-over should. I suspect that they just forgot to use a FQDN on a temporary CNAME record, and the short name they used, sdg327, wasn'...
It looks like they had saved a bad CNAME for account.meraki.comAnswers: account.meraki.com. 60 IN CNAME sdg327,When it started working for me it was changed to this:Answers: account.meraki.com. 60 IN CNAME dal223.meraki.com,