For my home IP I use cname to a dynamic dns service provided by my router manufacturer. There are free dyndns services, that integrate with many home router br

For my home IP I use cname to a dynamic dns service provided by my router manufacturer. There are free dyndns services, that integrate with many home router brands. Then you don't need to automate the main domain A/AAAA record changes, which can be cumbersome, depending on the provider.