5 ms·
Failing in one AZ probably means they changed something with DNS servers for that region. We had a similar issue recently when we rolled out a new DNS server th
by michaeldwan 5y ago
Failing in one AZ probably means they changed something with DNS servers for that region. We had a similar issue recently when we rolled out a new DNS server that returned longer SOA records which broke python's mysql driver in only some regions during the rollout. Debugging nightmare fuel.
- sk5t 5y agoYes, my theory was also some DNS variance in the AZ, but AWS stolidly refused to supply any information to that effect. Adding 'dig +trace' to the equation only deepened the mystery.