Chaosnet records still serve very much a valid purpose. Trying doing this to see a DNS server's version: dig ch txt version.bind @9.9.9.9 Try doing this to

Chaosnet records still serve very much a valid purpose. Trying doing this to see a DNS server's version: dig ch txt version.bind @9.9.9.9 Try doing this to see the hostname of a DNS server servicing your request: dig ch txt id.server @9.9.9.9