dns

AWSSeptember 25, 2023September 25, 2023

Understanding CAA DNS Records: What, Why, and How?

The digital world thrives on security and trust. One of the foundational aspects of this trust is the SSL/TLS certificate, the backbone of HTTPS. As the internet matures, so does the need for improving the certificate issuance process. Enter the CAA (Certificate Authority Authorization) DNS record. What is a CAA DNS Record? CAA, or Certificate […]

Best DevOpsAugust 22, 2022February 12, 2023

Prevent nginx from caching DNS for proxy

Hello everyone, If you are using nginx as a proxy and/or reverse proxy, the nginx is caching the DNS information and if you are using AWS Application Load Balancer behind the nginx, and nginx sometimes needs to restart and/or DNS flushing to send a request to the AWS Application Load Balancer because AWS is always […]