Propagação DNS
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A propagação DNS é o tempo necessário para que as alterações nos registros DNS se espalhem por todos os [[dns-resolver|resolvedores recursivos]] do mundo. O tempo de propagação depende dos valores [[ttl|TTL]] anteriores e pode variar de minutos a 48 horas.
Exemplo
After updating your nameservers, some visitors might still see the old site for up to 48 hours until all cached records expire.