Cloudflare 1.1.1.1 public DNS different as path info for 1.0.0.1 and 1.1.1.1 london

George Skorup george.skorup at cbcast.com
Tue Apr 3 05:57:21 UTC 2018


1.1.1.1 not usable via Windstream peering in Chicago.

# traceroute 1.1.1.1
traceroute to 1.1.1.1 (1.1.1.1), 30 hops max, 60 byte packets
...
  3  be4.agr01.chcg02-il.us.windstream.net (40.136.99.22)  5.158 ms 
5.116 ms  7.565 ms
  4  ae13-0.cr01.chcg01-il.us.windstream.net (40.136.99.44)  4.673 ms  
4.644 ms  4.600 ms
  5  et8-0-0-0.cr02.dlls01-tx.us.windstream.net (40.128.10.135) 27.136 
ms  27.099 ms  27.053 ms
  6  xe0-2-3-0.cr02.dnvt01-co.us.windstream.net (40.136.97.125) 29.075 
ms  28.381 ms  28.336 ms
  7  xe3-3-1-0.pe03.dums01-tx.us.windstream.net (173.189.57.195) 46.121 
ms  46.193 ms  46.148 ms
  8  * * *
  9  * * *
10  * * *
11  * * *
12  * * *
13  *^C

# ping 1.1.1.1
PING 1.1.1.1 (1.1.1.1) 56(84) bytes of data.
64 bytes from 1.1.1.1: icmp_seq=1 ttl=248 time=43.2 ms
64 bytes from 1.1.1.1: icmp_seq=2 ttl=248 time=43.9 ms
64 bytes from 1.1.1.1: icmp_seq=3 ttl=248 time=42.8 ms
^C
--- 1.1.1.1 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 42.892/43.344/43.915/0.489 ms

# nslookup
 > server 1.1.1.1
Default server: 1.1.1.1
Address: 1.1.1.1#53
 > google.com
;; connection timed out; trying next origin
;; connection timed out; no servers could be reached


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