You can use something like dynamic dns updaters[0]. They run on the box and when they detect that your ISP has changed your IP will update the DNS records accor

You can use something like dynamic dns updaters[0]. They run on the box and when they detect that your ISP has changed your IP will update the DNS records accordingly. [0] https://github.com/timothymiller/cloudflare-ddns https://github.com/timothymiller/cloudflare-ddns