DNS issue

On Sunday 19th February we migrated our backend which meant updating DNS records. DNS can take up to 72 hours to propagate to DNS servers around the world. Some existing users are reporting problems with loading antennas, data etc via the api at https://api.cloudrf.com. New users are unaffected.

To find out if you’re affected by caching, run nslookup against api.cloudrf.com like so:

nslookup api.cloudrf.com

The IP address should be

If it’s not, your OS or your browser are caching the old entry. You can find a solution for popular browsers here:


This issue will fix itself but to resolve this now you must reset your DNS cache:


Open a command prompt and enter

ipconfig /flushdns


Open a terminal and enter

sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

Linux / Ubuntu

Open a terminal and enter

sudo systemd-resolve --flush-caches