Dynamic DNS: Cloudflare Add TTL option
If pfsense triggers an Dynamic DNS Update on Cloudflare, the TTL of the entry is set to "Automatic TTL".
Automatic TTL means 5 minutes = 300 seconds.
There is an option in the Cloudflare API to specify the TTL:
Pfsense should send the ttl attribute with the shortest value of 120 seconds (2 minutes) or make it possible to define the ttl value in the configuration.
#3 Updated by Andrew Bucklin about 1 year ago
+1 I suggest allowing the TTL setting to be a configurable value, as it is for other Dynamic DNS clients, such as Azure DNS and Route 53.