I can use my own domain for free and it works just fine with IPv4 and IPv6.
I'm using it with am apple airport router and it's working fine
GDPR Email Copy - Email templates to use under GDPR
No-IP - Dynamic DNS and Managed DNS Provider
GDPR Hall of Shame - GDPR shutdowns and horror stories ๐
DNS-O-Matic - DNS-O-Matic (dnsomatic.
Searchable GDPR - Easily search in the official GDPR text thanks to Algolia
iWantMyName - Register your own custom domain for web applications, email, blog or website such as Google Apps...