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DNSSEC Complications The information in this article is does not address DNSSEC-signed zones. The steps for migrating DNSSEC-signed zones between nameservers are more complex, particularly if the the zone is transitioning between hosting providers. The complexity is due to the need to also transition or replace the signing keys and signatures. If the zone is DNSSEC-signed, additional research will be required. Step 1: Ensure all nameservers, new and old, are serving the same zone content. S ...

Applies to BIND 9.10 and earlier This document applies only to BIND version 9.10 and earlier. It is retained for historical interest. For BIND 9.11 and later, see Rate-limiters for authoritative zone propagation. serial-query-rate (default 20) is a rate-limiter that has been used for a long time to control both the rate of notifies and of zone refresh (SOA queries). Although the limit is expressed as a per-second rate, it is the actions that are being limited, not the network packets needed ...

BIND 9.11 and later This article applies to all versions of BIND from 9.11.0 and newer. This supersedes an older document in which we explained how these rate limiting options were evolved: serial-query-rate, notify-rate and startup-notify-rate: how they impact zone transfers in different versions of BIND Along with other options for preventing too many concurrent zone updates, BIND provides three independent rate-limiters for the inter-server communications used to automatically trigger zone ...

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