When Will New DNS Server Addresses Take Effect?

Changes to DNS servers can be quickly synchronized to the top-level domain name servers and then rapidly applied on the entire network. However, some domain name registrars set the TTL value for NS records to 48 hours. If the NS records are cached by a local DNS server, the changes would take effect in 48 hours.

Consult the domain name registrars to learn how long the TTL is. Do not delete original record sets until the changes take effect to ensure your service continuity.

Parent topic: Invalid Domain Resolution

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