""It's always DNS" is a long-standing sysadmin saw, and with good reason: a disproportionate number of outages are at their heart DNS issues. And so today, as AWS is still repairing its downed cloud as this article goes to press, it becomes clear that the culprit is once again DNS. "
I use stored DNS data.^1 The data is collected periodically and stored permanently
I seem to be unaffected by DNS-based outages
I use stored data because it is faster, e.g., faster than using DNS caches like Google DNS, Cloudflare DNS, etc., but there are obviously other other benefits
1. When I make HTTP requests there is no corresponding remote DNS query. The IP address is stored in the memory of the localhost-bound forward proxy
I use stored DNS data.^1 The data is collected periodically and stored permanently
I seem to be unaffected by DNS-based outages
I use stored data because it is faster, e.g., faster than using DNS caches like Google DNS, Cloudflare DNS, etc., but there are obviously other other benefits
1. When I make HTTP requests there is no corresponding remote DNS query. The IP address is stored in the memory of the localhost-bound forward proxy