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Dnspython is a DNS toolkit for Python. It can be used for queries, zone transfers, dynamic updates, nameserver testing, and many other things. Dnspython 2.6.1 is now available on PyPI. See What’s New for details. This is a bug fix release for 2.6.0 where the “TuDoor” fix erroneously suppressed legitimate Truncated exceptions. This caused the stub resolver to timeout instead of failing over to TCP