[outages] Intermittent ICMP and DNS for 4.2.2.[123]

[Dan White]

I've been noticing packet loss while pinging 4.2.2.1, 4.2.2.2, and 4.2.2.3
in the last few minutes, which are usually my go to IP addresses for
testing external server connectivity.

DNS also seems to be intermittent.

-- 
Dan White