Very impressed so far. I wonder if Cloudflare already has or is going to provide an IP address lookup service too, like OpenDNS and Google have? I find it quite useful to be able to just do something like:
dig -4 +short myip.opendns.com a @resolver1.opendns.com
dig -6 +short myip.opendns.com aaaa @resolver1.ipv6-sandbox.opendns.com
dig -4 +short o-o.myaddr.l.google.com txt @8.8.8.8
dig -6 +short o-o.myaddr.l.google.com txt @2001:4860:4860::8888
to get back my IPv4/IPv6 addresses; especially if Cloudflare can do it faster. Does anyone know if they already have something like this?