Web designers often need to move a site from one host to another. Some poorly-understood aspects of DNS, such as TTLs and caches, can have a big impact on how smooth (or rocky) a website migration goes.
We’ll discuss Registrars, the different record types (esp. NS, A, MX), TTLs, who caches what, and specific advice for an order of events that will give the smoothest results with no downtime.
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