dns.py 文件源码

def hostname(self, request: IRequest, name: str) -> KleinRenderable:
        """
        Hostname lookup resource.

        Performs a lookup on the given name and responds with the resulting
        address.

        :param request: The request to respond to.

        :param name: A host name.
        """
        try:
            address = await getHostByName(name)
        except DNSNameError:
            request.setResponseCode(http.NOT_FOUND)
            return "no such host"
        except DNSLookupError:
            request.setResponseCode(http.NOT_FOUND)
            return "lookup error"

        return address