2020-07-17 - Cloudflare Network and Resolver Issues

Kyle Olexa -

Event Description: Cloudflare Resolver Outage

Event Date: 07/17/2020


Services Impacted:

Customers may have been unable to reach Teleflex services, including voice and hosted data center services.

Event Description:

This afternoon CloudFlare Networks saw an outage across some parts of their network. It was not as a result of an attack. It appears a router on their global backbone announced bad routes and caused some portions of the network to not be available. They believe they have addressed the root cause and are monitoring systems for stability now.


Below was the timeline of their events (taken from https://www.cloudflarestatus.com/).


Identified - The issue has been identified and a fix is being implemented.
Jul 17, 21:46 UTC

Investigating - Cloudflare is investigating issues with Cloudflare Resolver and our edge network in certain locations.

Customers using Cloudflare services in certain regions are impacted as requests might fail and/or errors may be displayed.

Data Centers impacted include: SJC, DFW, SEA, LAX, ORD, IAD, EWR, ATL, LHR, AMS, FRA, CDG
Jul 17, 21:37 UTC
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