1.1.1.1: Cloudflare DNS Resolver

#1

Post by raaxe » Thu, Mar 29, 2018, 11:27 AM UTC

1.1.1.1: Cloudflare DNS Resolver
1.1.1.1

Re: 1.1.1.1: Cloudflare DNS Resolver

#2

Post by cbgonz » Thu, Mar 29, 2018, 12:38 PM UTC

Interesting. It only strikes me as odd that neither blog linked on that site mentions it, and the IP address won´t resolve on any DNS server around. What gives?

Re: 1.1.1.1: Cloudflare DNS Resolver

#3

Post by Raszh » Thu, Mar 29, 2018, 5:32 PM UTC

cbgonz wrote: post #2

Interesting. It only strikes me as odd that neither blog linked on that site mentions it, and the IP address won´t resolve on any DNS server around. What gives?

1.1.1.1 doesn't need to resolve. It is a DNS server. It's an open, recursive public DNS server, ala Google's 8.8.8.8, or OpenDNS, etc.

$ dig news.ycombinator.com 1.1.1.1 +short

news.ycombinator.com.cdn.cloudflare.net.

104.20.43.44

104.20.44.44

Edit: It occurs to me you mean reverse resolution. A dig +trace seems to stop at ns3|7.cloudfare.com.

Re: 1.1.1.1: Cloudflare DNS Resolver

#4

Post by cbgonz » Thu, Mar 29, 2018, 7:51 PM UTC

Raszh wrote: post #3

cbgonz wrote: post #2

Interesting. It only strikes me as odd that neither blog linked on that site mentions it, and the IP address won´t resolve on any DNS server around. What gives?

1.1.1.1 doesn't need to resolve. It is a DNS server. It's an open, recursive public DNS server, ala Google's 8.8.8.8, or OpenDNS, etc. $ dig news.ycombinator.com 1.1.1.1 +short news.ycombinator.com.cdn.cloudflare.net. 104.20.43.44 104.20.44.44 Edit: It occurs to me you mean reverse resolution. A dig +trace seems to stop at ns3|7.cloudfare.com.

Yes, I was unclear in my comment, I meant reverse resolution. probaly just too paranoic these days...