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- <?xml version="1.0" encoding="UTF-8"?>
- <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
- <pkgmetadata>
- <!-- maintainer-needed -->
- <longdescription>
- A nameserver basically responds to a query. Interoperability is an obvious
- requirement here. The standard protocol behaviour of different DNS
- implementations is expected to be the same.
- Requirements for protocol behaviour of DNS implementations is widely documented
- in the case of 'common' dns messages. The DNS protocol is over 20 years old and
- since its inception, there have been over 40 independent DNS implementations,
- while some implementations have over 20 versions.
- The methodology used to identify individual nameserver implementations is based
- on "borderline" protocol behaviour. The DNS protocol offers a multitude of
- message bits, response types, opcodes, classes, query types and label types in a
- fashion that makes some mutually exclusive while some are not used in a query
- messages at all. Not every implementation offers the full set of features the
- DNS protocol set currently has. Some implementations offer features outside the
- protocol set, and there are implementations that do not conform to standards.
- Also, new features added to - or bugs removed allow for differentiations between
- versions of an implementation.
- </longdescription>
- <upstream>
- <remote-id type="github">kirei/fpdns</remote-id>
- </upstream>
- </pkgmetadata>
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