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How can I be sure about "External service interaction (DNS)" issue

Marc | Last updated: Apr 16, 2021 03:50PM UTC

Hello, After a scan, burp triggered a High issue : External service interaction (DNS). I tried to repeat manually the issue using Burp Collaborator but collaborator didn't intercept anything. Having a closer look at the high issue triggered by Burp, I saw that the lookup intercepted by the collaborator was coming from IP address 172.217.40.76. It's look like a Google's IP. Is it a false positive ? Thanks for you answer. Regards

Michelle, PortSwigger Agent | Last updated: Apr 19, 2021 09:14AM UTC