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OPENDNS Logging

trockscee
Level 1
Level 1

Hi, I noticed a local phone number in my opendns logs in the domain section.  My question is, was this a phone call that was made from a device utilizing a web based phone service like hangouts or facetime calling?  I see no other explanation why a phone number to a cell phone would be in my logs other than someone dialed the number with a web based phone application.

Thanx!

2 Replies 2

rotblitz
Level 6
Level 6

This is a networking application in your network raising this bad DNS lookup while using the phone number as domain name.  You can reproduce it manually:

nslookup 123456789

Three hours later you see it in your OpenDNS stats.  This could have been any malfunctioning app, not only a phone app.

rotblitz
Level 6
Level 6

What also could have happened is that a user entered this phone number into a browser's address line to e.g. perform a phone directory query.  This can easily trigger such a DNS lookup.