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DNS migration pre-flight checklist

Most DNS-migration outages are avoidable, a forgotten MX record, a too-long TTL, a subdomain nobody documented. This pre-flight checklist walks the prep, parity check and cutover so a nameserver move is a non-event.

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What is inside

TTL lowering schedule before the move (so cutover is fast + reversible)
A full record inventory: A/AAAA, CNAME, MX, TXT (SPF/DKIM/DMARC), CAA, SRV, NS
Record-parity check at the new provider before you switch nameservers
Email-safety steps so MX + SPF/DKIM/DMARC survive the move
Cutover + verification + rollback plan

Free DNS record checker

DNS records explained

DNS & drift monitoring

Catch DNS drift after a migration.

VigilDog watches your DNS + email records and flags unexpected changes after any move.

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