mikaela.github.io/n/dns.md

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DNS notes

For DNS resolvers, refer to r/resolv.tsv

Identifying DNS resolver

The above list is based on redirect2me/which-dns README alternatives section

Identifying support for client-subnet

Or what is being sent to the authoritative servers.

dig +short TXT o-o.myaddr.l.google.com.
dig +short TXT whoami.ds.akahelp.net.
dig +short TXT whoami.ipv6.akahelp.net.
dig +short TXT whoami.ipv4.akahelp.net.
  • Note: Cloudflare sends ECS only for whoami.ds.akahelp.net.