What Is DNS Propagation and How to Minimize Its Impact on Email Deliverability
DNS records undergo modifications — such as SPF, DKIM, DMARC, MX, A records, or PTR records. These updates or modifications should propagate across global DNS servers, caching information a certain period before it refreshes. These modifications should not take longer than a few minutes to 48 hours. For rare and unusual circumstances these can take […]
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