Gateway fails to connect to ec2

Gateway failed to connect to ec2 a couple of days ago.
I'm running PiGate RMS. Has been on the air for a couple of years.
When I try to connect with RMS Express, it connects to my radio but fails to connect to ec2-34-199-57-66.computer-1.amazonaws.com
I updated the software for the PiGate today but same results.
If anyone has information please contact me at [email protected]
73,
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