Unable to load FortiGuard DDNS server list - Fortinet Community
When attempting to configure a new Dynamic DNS entry, the FortiGate cannot retrieve the list of available DDNS service providers (e.g., FortiGuard DDNS, No-IP, DynDNS). This results in an inability to select a server type, blocking the configuration of DDNS services. Unable to load FortiGuard DDNS server list -
Confirm the DDNS domain resolves: exec traceroute globalddns.fortinet.net . : If Port 53 is blocked, switch to 8888 or 443: config system fortiguard set port 8888 end Use code with caution. Copied to clipboard Restart the DDNS Process : Kill and restart the daemon to force a fresh update: fnsysctl killall ddnscd Use code with caution. Copied to clipboard Configure via CLI (Workaround) : : If Port 53 is blocked, switch to
Newer versions of FortiOS often use for FortiGuard services, which can sometimes fail depending on your ISP or network path. Fix: Disable Anycast and force the use of UDP/Unicast. CLI: Fix: Disable Anycast and force the use of UDP/Unicast
Verify DNS resolution used by FortiGate