said by fxsapp:
not to necro this thread but I wanted to update about the
situation. The outages have become more frequent, now they last 6 hours or more at a time. The gateway shows the connection as online (Linksys X2000) When we ping the gateway its fine, pinging any DNS server or website it is timed out. So what does that tell you? There has been techs to come out twice so far to look at the problem, 3rd tech scheduled to come tomorrow morning.
It would really help to get your problem diagnosed if you provided some details. The vague symptoms you have described so far could be almost anything.
When your ping tests fail, are you pinging by IP address, or by hostname. Does the ping resolve the IP address of the host you are pinging? If you don't understand what I am asking, then how about showing us the actual ping tests you are doing. Since you seem to think that you are having a DNS problem, how about showing us the results of some DNS queries by using the nslookup command from a command window.
The following commands would tell us a lot about whether or not you have a DNS problem:nslookup www.dslreports.comnslookup www.dslreports.com 18.104.22.168nslookup www.dslreports.com 22.214.171.124nslookup www.dslreports.com126.96.36.199
The first nslookup will use your default DNS server (probably your gateway, but we don't know that at this since you did not supply the ipconfig information that was previously requested).
The second nslookup will use the Comcast Anycast DNS server.
The third nslookup will use a Level3 legacy DNS server.
The last nslookup will use a Google DNS server.
Here are my results for those commands to use as a reference:
If none of the nslookups for www.dslreports.com work properly, try doing a ping 188.8.131.52
. If that fails, then your problem is purely a connectivity problem, and has nothing to do with DNS.
Unless you provide us with some actual information that can be used for a diagnosis, nobody here is going to be able to do anything but reply with totally wild guesses. At this point, my guess is that you probably just have a problem with your gateway not being able to get IP connectivity (and hopefully that symptom will be present when the Comcast tech looks at your problems).--
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