Stories from the Web Crawling trenches in DNS configuration

Troubleshooting Aiohttp Connecting to the Wrong Host

Author: Mohan Ganesan

Date: Mar 3, 2024

When using the aiohttp library in Python, you may occasionally see errors where aiohttp attempts to connect to the wrong host. There are a few things you can try to resolve it: check your DNS configuration, specify the host explicitly, use IP addresses instead of hostnames, and add server name indication (SNI) for HTTPS connections.

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