[nixgeek]

If you're in us-east-1 then you potentially do actually rely on Dyn even for the amazonaws.com instance hostnames.

https://gist.github.com/agh/4e20df0d2d3bfa189477569b77f72e24

[metaverse]

Seems then that ELB has a local cache because http requests were reaching my app servers throughout the outage.