Migrating DNS for a production site? We made you a site migration checklist
Netlify
APRIL 5, 2021
This blog post expands on our existing support guide for zero-downtime DNS migrations. Some companies, organizations, and universities set CAA or SOA records on their hostnames that specify which SSL certificate authorities can issue certificates. host -t soa example.com. host -t caa example.com. Check TTL of all hostnames.
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