Knot DNS

Knot DNS 是一个高性能的权威 DNS 服务器，支持所有 DNS 系统的关键特性，包括区域转换、动态更新以及 DNSSEC。

Knot DNS 1.3.1 改进记录包括：

1. Fixed responses with NSID containing extra bytes after reload. 

2. The list of remotes is now scanned for longest prefix match first. 

3. Support for multipacket TSIG signatures for transfers was added, and incorrectly parsed TSIG key secrets without quotes were fixed. 

4. autoconf checks for extended instruction sets were removed because they were breaking older hardware