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DNS tools

Project Description

dnsknife: a DNS tool

Quick overview:

.. code:: python

>>> import dnsknife
>>> ans = dnsknife.query('', 'A', dnssec=True)
Specific queries shortcuts:

.. code:: python

>>> print dnsknife.Checker('').mx()

>>> print dnsknife.Checker('').spf()

>>> print dnsknife.Checker('').txt()
$Id: 4415 2015-08-24 20:12:23Z davids $
v=spf1 -all

Checking a domain TXT record is installed, looking at each domain NS (no
local caches) for a match:

.. code:: python

>>> from dnsknife import Checker
>>> Checker('', direct=True).has_txt('dbef8938bef', ['www'], ignore_case=True)

It can be used for DNSSEC lookups, implements a few CDS/CDNSKEY drafts:

.. code:: python

>>> c = Checker('')
>>> with dnsknife.dnssec(c) as sec:
>>> print sec.spf()

>>> Checker('').cdnskey()

BadCDNSKEY Traceback (most recent call last)

BadCDNSKEY: 1324 did not sign DNSKEY RR

It also has a few more functions for DNSSEC checks:

.. code:: python

>>> keys = dnsknife.query('', 'DNSKEY')
>>> dnsknife.signed_by(ans, keys[0])

.. code:: python

>>> dnsknife.signers(dnsknife.Checker('pm.', dnssec=True).query('pm.', 'DNSKEY'))
{<DNS name pm.>: [35968, 60859]}

.. code:: python

>>> dnsknife.trusted(ans)

Finally it implements TPDA - the draft_ can be found in docs_.

.. _docs: docs/
.. _draft: docs/extending_registrar_functions.txt

A third party provider wanting to change customer NS:

.. code:: python

>>> from dnsknife import tpda

>>> # initialize with private key from repo:
>>> client = tpda.Client('', 'dnsknife/tests/test.key')

>>> # generate url for domain
>>> URI = client.nameservers_uri('', ['',''])

A DNS operator/registrar validating inbound params:

.. code:: python

>>> tpda.validate_URI(URI)

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