Prompt injection, XSS and SIEM-exfil payloads living in reverse DNS, plus 28 fake Googlebots that passed FCrDNS https://ellio.tech/en/blog/ignoreallpreviousinstructions-a-peek-into-340-billion-daily-reverse-dns-ptr-records/
ELLIOIgnoreAllPreviousInstructions: prompt injection in rDNS | ELLIO BlogA network named IgnoreAllPreviousInstructions got an AI search summary to write a poem. A home PTR tells AI agents to attack whoever sent them.