You can use Dynamic DNS[0]. Your server contacts a remote server and if the IP address has changed the DNS is automatically updated. You can use a free subdomai

You can use Dynamic DNS[0]. Your server contacts a remote server and if the IP address has changed the DNS is automatically updated. You can use a free subdomain[1] and CNAME/ANAME/ALIAS[2] your domain's DNS to point to it. Edit: Njalla supports dynamic DNS records natively[3]. [0] https://en.wikipedia.org/wiki/Dynamic_DNS https://en.wikipedia.org/wiki/Dynamic_DNS [1] https://freedns.afraid.org/ https://freedns.afraid.org/ [2] https://en.wikipedia.org/wiki/CNAME_record https://en.wikipedia.org/wiki/CNAME_record [3] https://njal.la/docs/ddns/ https://njal.la/docs/ddns/