The reputation of 209.205.218.178 is low for watchguard firewall and the server is timeout
2021-04-15 14:24:21 Deny 192.168.200.100 209.205.218.178 https/tcp 3189 443 Rete ALFA Internet - EOLO blocked sites 52 63 (Apre Siti-00) proc_id="firewall" rc="101" msg_id="3000-0173" fqdn_dst_match="remoteutilities.com" tcp_info="offset 8 S 271996088 win 61690" geo_dst="USA" botnet="destination
I added the server to the geolocation and now it works
Marco from Italy