contrib/unbound/libunbound/python/doc/examples/example4.rst

   1 .. _example_examine:
   2
   3 DNSSEC validator
   4 ================
   5
   6 This example program performs DNSSEC validation of a DNS lookup.
   7
   8 Source code
   9 -----------
  10
  11 ::
  12
  13     #!/usr/bin/python
  14     import os
  15     from unbound import ub_ctx,RR_TYPE_A,RR_CLASS_IN
  16
  17     ctx = ub_ctx()
  18     ctx.resolvconf("/etc/resolv.conf")
  19     if (os.path.isfile("keys")):
  20         ctx.add_ta_file("keys") #read public keys for DNSSEC verification
  21
  22     status, result = ctx.resolve("www.nic.cz", RR_TYPE_A, RR_CLASS_IN)
  23     if status == 0 and result.havedata:
  24
  25         print "Result:", result.data.address_list
  26
  27         if result.secure:
  28             print "Result is secure"
  29         elif result.bogus:
  30             print "Result is bogus"
  31         else:
  32             print "Result is insecure"
  33
  34 More detailed informations can be seen in libUnbound DNSSEC tutorial `here`_.
  35
  36 .. _here: http://www.unbound.net/documentation/libunbound-tutorial-6.html