resolver.py 文件源码

def reset(self):
        """Reset all resolver configuration to the defaults."""
        self.domain = \
            dns.name.Name(dns.name.from_text(socket.gethostname())[1:])
        if len(self.domain) == 0:
            self.domain = dns.name.root
        self.nameservers = []
        self.search = []
        self.port = 53
        self.timeout = 2.0
        self.lifetime = 30.0
        self.keyring = None
        self.keyname = None
        self.keyalgorithm = dns.tsig.default_algorithm
        self.edns = -1
        self.ednsflags = 0
        self.payload = 0
        self.cache = None
        self.flags = None
        self.retry_servfail = False