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

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