DNS_ERR_SERVERFAILED  685 third_party/libevent/evdns.c 		DNS_ERR_FORMAT, DNS_ERR_SERVERFAILED, DNS_ERR_NOTEXIST,
DNS_ERR_SERVERFAILED  715 third_party/libevent/evdns.c 		case DNS_ERR_SERVERFAILED:
DNS_ERR_SERVERFAILED 3020 third_party/libevent/evdns.c 	case DNS_ERR_SERVERFAILED: return "server failed";