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Channel: Server requesting DNS lookup for a box that doesn't exist - Ask Ubuntu
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Answer by earthmeLon for Server requesting DNS lookup for a box that doesn't...

Does running lsof -i on the requesting server help you find the process making all of the requests? $ sudo lsof -i # Show all services with open ports $ sudo lsof -i ":53" -P # Limit to all services on...

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Server requesting DNS lookup for a box that doesn't exist

How do I find out which service is making this request? It's making the requests a lot. Like multiple times a second. I've got a tcpdump and wireshark that shows the info, but I don't know how to find...

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