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1 DNSSEC in 6 minutes! Featured

The original presentation written by Alan Clegg and as published on ISC's website was DNSSEC in 6 minutes. That article, along with a more recent presentation (taking advantage of improvements in automation and key management) are both made available here…

2 Case-Insensitive Response Compression May Cause Problems With Mixed-Case Data and Non-Conforming Clients

BIND releases beginning with BIND 9.9.5, 9.8.7, and 9.6-ESV-R11 include a fix which we would like to highlight for your attention, as one customer has experienced an operational issue as a result of what might look, from the notes, like a completely innocuous…

3 DNSSEC validation and BIND9 cache

This KB article discusses some of the problems that can be encountered by BIND9 validating recursive servers due to intermittent problems with authoritative servers providing DNSSEC-signed zones. BIND has competing objectives when handling validation. On…

4 In-line Signing With NSEC3 in BIND 9.9+ -- A Walk-through

Introduction As of version 9.9, the BIND package supports three different methods of signing zones. Manual signing, initiated by the name server administrator from the command line, has been supported since BIND first added support for DNSSEC. BIND 9.7 added…

5 Performance: Multi-threaded I/O

Starting in BIND 9.9.0, ISC has made some important changes regarding performance of BIND on multi-core machines. Among these is internal scaling of network traffic. This article describes this change. This feature is not available on the Windows version…

6 Inline Signing in ISC BIND 9.9.0 -- Examples

When DNSSEC was first introduced, the only way to sign DNS data was using the 'dnssec-signzone' utility; this would take an unsigned zone file and generate a new zone file containing signatures. This file would be loaded by named and served the same as any…

7 BIND9 Knowledge Articles

Are you looking for more technical information about BIND9? The BIND9 Knowledge Articles category contains more in-depth information about BIND9 than is found in our FAQs - but the majority of this content is only available once you have registered (registration…

8 Filter AAAA option in BIND 9

Executive Summary BIND 9 has an option to filter AAAA (IPv6 address) records returned to the client based on the transport used for the query, and other filtering conditions. This filtering does not affect the recursive queries made by the server (if any)…

9 Why is BIND logging "adb: grow_entries to <number>" and "adb: grow_names to <number>"?

Question: Since installing a new version of BIND, I'm getting the following informational messages on starting named. What do they mean? 18-Nov-2011 03:35:14.872 database: info: adb: grow_entries to 1531 starting 18-Nov-2011 03:35:14.874 database: info: adb:…