DNSFS. Store your files in others DNS resolver caches A while ago I did a blog post about how long DNS resolvers hold results in cache for, using RIPE Atlas probes testing against their default resolvers (in a lot of cases, the DNS cache on their modem/router). That showed that some resolvers will hold DNS cache entries for a whole week if asked to (https://blog.benjojo.co.uk/post/dns-resolvers-tt