fix MX record can be unavailable

2019-12-07 23:42:57 +01:00 · 2019-12-07 23:42:57 +01:00 · d0f95e81b2
parent 5854ab8e10
commit d0f95e81b2
1 changed files with 5 additions and 1 deletions
--- a/app/dns_utils.py
+++ b/app/dns_utils.py
@ -2,7 +2,11 @@ import dns.resolver


 def get_mx_domains(hostname) -> [str]:
-    answers = dns.resolver.query(hostname, "MX")
+    try:
+        answers = dns.resolver.query(hostname, "MX")
+    except dns.resolver.NoAnswer:
+        return []
+
    ret = []

    for a in answers: