We had a non-AWS false positive: when sending the log4j exploit string with prepared unique subdomain via email there was an anti-spam system which did a DNS re

We had a non-AWS false positive: when sending the log4j exploit string with prepared unique subdomain via email there was an anti-spam system which did a DNS request on the subdomain. Apparently it looks for any content remotely looking like a URL and probes it. Similar to what was reported about Protonmail here https://news.ycombinator.com/item?id=29537549 https://news.ycombinator.com/item?id=29537549