Cosmic rays [1], and no this is not a joke. Alternatively, there have been instances where routers and switches had bit-flip errors that ended up corrupting pac

Cosmic rays [1], and no this is not a joke. Alternatively, there have been instances where routers and switches had bit-flip errors that ended up corrupting packets that passed through them. Or DNS caches that cached DNS responses for far longer than the specified TTL values - these are a real PITA for modern loadbalancers and are probably what caused your misdirected requests. [1] https://news.ycombinator.com/item?id=2944445 https://news.ycombinator.com/item?id=2944445