Just checked the IP address. It seems to be OK. Furthermore, I see no errors in the log related to DuckDns.
Probably completely unrelated, but I have a strange log entry for my Nest. Not sure it is not related ,but I’ll add it just in case.
2018-04-02 14:00:48 ERROR (MainThread) [homeassistant.helpers.entity] Update for binary_sensor.upstairs_nest_protect_online fails
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/urllib3/connection.py", line 141, in _new_conn
(self.host, self.port), self.timeout, **extra_kw)
File "/usr/lib/python3.6/site-packages/urllib3/util/connection.py", line 60, in create_connection
for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
File "/usr/lib/python3.6/socket.py", line 745, in getaddrinfo
for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -3] Try again
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/urllib3/connectionpool.py", line 601, in urlopen
chunked=chunked)
File "/usr/lib/python3.6/site-packages/urllib3/connectionpool.py", line 346, in _make_request
self._validate_conn(conn)
File "/usr/lib/python3.6/site-packages/urllib3/connectionpool.py", line 850, in _validate_conn
conn.connect()
File "/usr/lib/python3.6/site-packages/urllib3/connection.py", line 284, in connect
conn = self._new_conn()
File "/usr/lib/python3.6/site-packages/urllib3/connection.py", line 150, in _new_conn
self, "Failed to establish a new connection: %s" % e)
urllib3.exceptions.NewConnectionError: <urllib3.connection.VerifiedHTTPSConnection object at 0x733028d0>: Failed to establish a new connection: [Errno -3] Try again
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/requests/adapters.py", line 440, in send
timeout=timeout
File "/usr/lib/python3.6/site-packages/urllib3/connectionpool.py", line 639, in urlopen
_stacktrace=sys.exc_info()[2])
File "/usr/lib/python3.6/site-packages/urllib3/util/retry.py", line 388, in increment
raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='firebase-apiserver22-tah01-iad01.dapi.production.nest.com', port=9553): Max retries exceeded with url: / (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x733028d0>: Failed to establish a new connection: [Errno -3] Try again',))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/homeassistant/helpers/entity.py", line 204, in async_update_ha_state
yield from self.async_device_update()
File "/usr/lib/python3.6/site-packages/homeassistant/helpers/entity.py", line 327, in async_device_update
yield from self.hass.async_add_job(self.update)
File "/usr/lib/python3.6/asyncio/futures.py", line 332, in __iter__
yield self # This tells Task to wait for completion.
File "/usr/lib/python3.6/asyncio/tasks.py", line 250, in _wakeup
future.result()
File "/usr/lib/python3.6/asyncio/futures.py", line 245, in result
raise self._exception
File "/usr/lib/python3.6/concurrent/futures/thread.py", line 56, in run
result = self.fn(*self.args, **self.kwargs)
File "/usr/lib/python3.6/site-packages/homeassistant/components/binary_sensor/nest.py", line 105, in update
self._state = bool(getattr(self.device, self.variable))
File "/usr/lib/python3.6/site-packages/nest/nest.py", line 224, in online
return self._device.get('is_online')
File "/usr/lib/python3.6/site-packages/nest/nest.py", line 603, in _device
return self._devices[SMOKE_CO_ALARMS][self._serial]
File "/usr/lib/python3.6/site-packages/nest/nest.py", line 200, in _devices
return self._nest_api._devices
File "/usr/lib/python3.6/site-packages/nest/nest.py", line 1619, in _devices
return self._status[DEVICES]
File "/usr/lib/python3.6/site-packages/nest/nest.py", line 1604, in _status
value = self._get("/")
File "/usr/lib/python3.6/site-packages/nest/nest.py", line 1587, in _get
return self._request('GET', path)
File "/usr/lib/python3.6/site-packages/nest/nest.py", line 1578, in _request
data=data)
File "/usr/lib/python3.6/site-packages/requests/sessions.py", line 508, in request
resp = self.send(prep, **send_kwargs)
File "/usr/lib/python3.6/site-packages/requests/sessions.py", line 618, in send
r = adapter.send(request, **kwargs)
File "/usr/lib/python3.6/site-packages/requests/adapters.py", line 508, in send
raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPSConnectionPool(host='firebase-apiserver22-tah01-iad01.dapi.production.nest.com', port=9553): Max retries exceeded with url: / (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x733028d0>: Failed to establish a new connection: [Errno -3] Try again',))