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This is a reconfigured open-source software product, and there are additional fees associated with obtaining support and maintenance services.

BIND 9 has undergone a significant transformation, becoming a highly adaptable and feature-rich DNS system. Regardless of your specific application, BIND 9 likely offers the essential functionalities you need. Being the pioneer and one of the most widely deployed solutions, BIND 9 boasts a large community of network engineers who are already well-versed in its usage.

It’s worth noting that BIND 9 is an open-source solution, governed by the MPL 2.0 license. This open nature allows users to extend the capabilities of BIND 9 and actively contribute to the open-source community via Gitlab.

Notable Features of BIND 9:

Response Rate Limiting (RRL): This feature is an enhancement to the “named” DNS server, designed to mitigate the issue of “amplification attacks” by limiting the rate of DNS responses.

Minimal ANY Responses: BIND 9 efficiently handles queries for ANY records, preventing potential misuse scenarios where such queries could result in overly large responses.

DLZ – Dynamically Loadable Zones (DLZ): BIND 9 empowers users to dynamically retrieve zone data directly from external databases, offering greater flexibility in managing zones.

Minimum Reload Time: This feature simplifies the process of updating server zone files in BIND 9 using the remote name daemon control (rndc) utility, eliminating the need to restart BIND 9.

HSM Support: Hardware Security Modules (HSMs) play a critical role in securely storing key material external to BIND 9, enhancing overall security measures.

DNSSEC with Inline Signing: BIND 9 provides robust support for DNSSEC, offering a mature, comprehensive, and user-friendly implementation of this essential security feature.