From 2aed5d8ce6a7f682f5beac17add18be2bb5fc64d Mon Sep 17 00:00:00 2001
From: Antoine Nguyen <tonio@ngyn.org>
Date: Wed, 8 Jun 2016 17:27:58 +0200
Subject: [PATCH] Add unit test.

see #879
---
 modoboa/admin/management/commands/subcommands/_dnsbl.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/modoboa/admin/management/commands/subcommands/_dnsbl.py b/modoboa/admin/management/commands/subcommands/_dnsbl.py
index bb94488b8..c2819502e 100644
--- a/modoboa/admin/management/commands/subcommands/_dnsbl.py
+++ b/modoboa/admin/management/commands/subcommands/_dnsbl.py
@@ -39,7 +39,10 @@ class CheckDNSBLCommand(BaseCommand):
     def check_domain(self, domain, timeout):
         """Check specified domain."""
         resolver = dns.resolver.Resolver()
-        answers = resolver.query(domain.name, "MX")
+        try:
+            answers = resolver.query(domain.name, "MX")
+        except dns.resolver.NoAnswer:
+            return
         ip_list = []
         for answer in answers:
             address = None