diff options
Diffstat (limited to 'dns')
| -rw-r--r-- | dns/resolver.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/dns/resolver.py b/dns/resolver.py index f7e8b7a..08e86a2 100644 --- a/dns/resolver.py +++ b/dns/resolver.py @@ -433,6 +433,9 @@ class Resolver(object): @type flags: int @ivar cache: The cache to use. The default is None. @type cache: dns.resolver.Cache object + @ivar retry_servfail: should we retry a nameserver if it says SERVFAIL? + The default is 'false'. + @type retry_servfail: bool """ def __init__(self, filename='/etc/resolv.conf', configure=True): """Initialize a resolver instance. @@ -473,6 +476,7 @@ class Resolver(object): self.payload = 0 self.cache = None self.flags = None + self.retry_servfail = False def read_resolv_conf(self, f): """Process f as a file in the /etc/resolv.conf format. If f is @@ -843,7 +847,7 @@ class Resolver(object): # rcode in it. Remove the server from the mix if # the rcode isn't SERVFAIL. # - if rcode != dns.rcode.SERVFAIL: + if rcode != dns.rcode.SERVFAIL or not retry_servfail: nameservers.remove(nameserver) response = None if not response is None: |