added unbound to external deps

external/unbound/libunbound/python/doc/examples/example8-1.py

@@ -0,0 +1,31 @@
+#!/usr/bin/python
+# vim:fileencoding=utf-8
+#
+# Lookup for MX and NS records
+#
+import unbound
+
+ctx = unbound.ub_ctx()
+ctx.resolvconf("/etc/resolv.conf")
+
+status, result = ctx.resolve("nic.cz", unbound.RR_TYPE_MX, unbound.RR_CLASS_IN)
+if status == 0 and result.havedata:
+    print "Result:"
+    print "      raw data:", result.data
+    for k in result.data.mx_list:
+        print "      priority:%d address:%s" % k
+
+status, result = ctx.resolve("nic.cz", unbound.RR_TYPE_A, unbound.RR_CLASS_IN)
+if status == 0 and result.havedata:
+    print "Result:"
+    print "      raw data:", result.data
+    for k in result.data.address_list:
+        print "      address:%s" % k
+
+status, result = ctx.resolve("nic.cz", unbound.RR_TYPE_NS, unbound.RR_CLASS_IN)
+if status == 0 and result.havedata:
+    print "Result:"
+    print "      raw data:", result.data
+    for k in result.data.domain_list:
+        print "      host: %s" % k
+