checker: Don't fail if a query timed out

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/dnsbl/checker.py b/src/dnsbl/checker.py
index c5d1e18df186e7a3dec72a02708166008ab1a418..94d9efa7ff8f7b5c9f3ea98b7380712d4da331ab 100644 (file)
--- a/src/dnsbl/checker.py
+++ b/src/dnsbl/checker.py
@@ -131,8 +131,16 @@ class Checker(object):
        def resolve(self, domain):
                log.debug("Resolving %s..." % domain)
 
-               # Fetch the result
-               return self.resolver.resolve(domain, "SOA", search=False, lifetime=60)
+               try:
+                       result = self.resolver.resolve(domain, "SOA", search=False, lifetime=60)
+
+               # Return no result if the query timed out
+               except dns.resolver.LifetimeTimeout as e:
+                       log.debug("Query to %s timed out" % domain)
+
+                       result = None
+
+               return result
 
        def _store(self, result):
                """