Surviving the data-center move they email about at 2am

Surviving the data-center move they email about at 2am
Heard this week: a host quietly relocating regions and calling it a 'maintenance window.' The seasoned tenants prep instead of pray:
— Get the new region's actual location and latency profile in writing.
— Confirm whether your IP changes — it affects email deliverability and allowlists.
— Take an independent backup off their infrastructure before the window.
— Lower DNS TTLs a day ahead so you can reroute if it goes long.
— Have a rollback host warm if you're on anything revenue-critical.
A source tells us 'seamless migration' announcements correlate with the worst migrations.
Watch this: a region move is often the first visible sign of a cost-cutting new owner.