Honeywell Thermostat Permissions

I have two Honeywell thermostats that are connect to my WiFi just fine.  The problem is that they can't sync with the Resideo (Honeywell) cloud.  Resideo Support gave me the following list of links and told me to have Xfinity enable the permissions on my router/modem.  Is this a reasonable request on the part of Honeywell?  If so, what's the best way to get these links to Xfinity?

provprod.clouddevice.io
provprod02.clouddevice.io
fwuprod.clouddevice.io
weather.clouddevice.io
weather02.clouddevice.io
lcc-prodsf-lcc01sf-iothub.azure-devices.net
lcc-prodsf-lcc02sf-iothub.azure-devices.net
lcc-prodsf-lcc03sf-iothub.azure-devices.net
lcc-prodsf-lcc04sf-iothub.azure-devices.net