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Dynamic DNS Shell script based on CloudFlare API v4.

The selected parameters are mandatory parameters:

• -key: Cloudflare API Authorization Key, interface Token, application address: https://dash.cloudflare.com/profile/api-tokens
• -zone: domain, for example: renfei.net
• -zone_id: The unique ID of the domain name on Cloudflare
• -type: Domain name record type, for example: A record
• -rec_id: The unique ID of the domain name record
• -name: Second-level domain name such as www
• -content: request body content
• -ttl: Parsing record survival time, 1 is automatic
• -proxied: Whether to enable CloudFlare proxy

Domain name: test2.renfei.net, first go to Cloudflare to add domain name A record resolution, and manually execute it once:

bash /path/to/cloudflare_ddns.sh -key 404613183ab3971a2118ae5bf03d63e032f9e -zone renfei.net -name test2

crontab -e
0 */1 * * * ? /path/to/cloudflare_ddns.sh -key 404613183ab3971a2118ae5bf03d63e032f9e -zone renfei.net -name test2 >> /path/to/cloudflare_ddns.log