Code RoomCDN provider outage origin healthy
MediumPrep Room Coding #3044

CDN provider outage origin healthy

On-callReliability & on-callCode quality & reviewMid–Senior~20 min

Your CDN (or DNS) provider is having a major outage, and large parts of your site are unreachable for many users even though your origin is healthy. What can you do?

What a strong answer looks like

Stop the bleeding first (mitigate), then form hypotheses from real signals. Separate root cause from symptom, communicate status as you go, and close with what prevents a repeat.

0:00 of about 20 min
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.