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Quick Dns crashing

From: Ryan Clevenger
Date: Friday, August 15, 2003
Time: 9:30:45 am

Hey guys I have been having a strange problem recently. I upgraded my
QuickDns from 3.0 to 3.5.3 running on Mac Os 9.1 on a 350mhz imac.
Everything has been running great until the other day. I keep the debug log
running so that I can see what is going on and such and I noticed that the
log was filling up to like 300meg in a matter of a day. For about 3 days in
a row the server would crash by the end of the day. So I checked the log an
d
here is what was showing.

540,000 lines (270,000 queries) in 2 hours 20 minutes

Aug 12 14:45:20 Querying "192.31.80.30:53" about "ns1.mydnsserver.com."
Aug 12 14:45:20 Querying "192.31.80.30:53" about "ns2.mydnsserver.com."
Aug 12 14:45:20 Reply: "ns1.mydnsserver.com." - from "192.31.80.30:53"
Aug 12 14:45:20 Querying "192.31.80.30:53" about "ns1.mydnsserver.com."
Aug 12 14:45:20 Reply: "ns2.mydnsserver.com." - from "192.31.80.30:53"
Aug 12 14:45:20 Querying "192.31.80.30:53" about "ns2.mydnsserver.com."
Aug 12 14:45:20 Reply: "ns1.mydnsserver.com." - from "192.31.80.30:53"
Aug 12 14:45:20 Querying "192.31.80.30:53" about "ns1.mydnsserver.com."
Aug 12 14:45:20 Reply: "ns2.mydnsserver.com." - from "192.31.80.30:53"
Aug 12 14:45:20 Querying "192.31.80.30:53" about "ns2.mydnsserver.com."
Aug 12 14:45:20 Querying "192.31.80.30:53" about "ns3.mydnsserver.com."
Aug 12 14:45:20 Querying "192.31.80.30:53" about "ns4.mydnsserver.com."
Aug 12 14:45:20 Reply: "ns1.mydnsserver.com." - from "192.31.80.30:53"
Aug 12 14:45:20 Querying "192.31.80.30:53" about "ns1.mydnsserver.com."
Aug 12 14:45:20 Reply: "ns2.mydnsserver.com." - from "192.31.80.30:53"
Aug 12 14:45:20 Querying "192.42.93.30:53" about "ns2.mydnsserver.com."
Aug 12 14:45:20 Reply: "ns3.mydnsserver.com." - from "192.31.80.30:53"
Aug 12 14:45:20 Querying "192.42.93.30:53" about "ns3.mydnsserver.com."
Aug 12 14:45:20 Reply: "ns4.mydnsserver.com." - from "192.31.80.30:53"
Aug 12 14:45:20 Querying "192.42.93.30:53" about "ns4.mydnsserver.com."
Aug 12 14:45:21 Reply: "ns1.mydnsserver.com." - from "192.31.80.30:53"
Aug 12 14:45:21 Querying "192.42.93.30:53" about "ns1.mydnsserver.com."
Aug 12 14:45:21 Reply: "ns1.mydnsserver.com." - from "192.42.93.30:53"
Aug 12 14:45:21 Querying "192.42.93.30:53" about "ns1.mydnsserver.com."
Aug 12 14:45:21 Reply: "ns2.mydnsserver.com." - from "192.42.93.30:53"
Aug 12 14:45:21 Querying "192.42.93.30:53" about "ns2.mydnsserver.com."
Aug 12 14:45:21 Reply: "ns2.mydnsserver.com." - from "192.42.93.30:53"
Aug 12 14:45:21 Querying "192.42.93.30:53" about "ns2.mydnsserver.com."
Aug 12 14:45:21 Reply: "ns3.mydnsserver.com." - from "192.42.93.30:53"
Aug 12 14:45:21 Querying "192.42.93.30:53" about "ns3.mydnsserver.com."
Aug 12 14:45:21 Reply: "ns4.mydnsserver.com." - from "192.42.93.30:53"
Aug 12 14:45:21 Querying "192.42.93.30:53" about "ns4.mydnsserver.com."
Aug 12 14:45:21 Reply: "ns1.mydnsserver.com." - from "192.42.93.30:53"

Etc...
If you noticed it did this for 540,000 lines in 2 hours and 20 minutes.

This is not the only domain that I am getting it from there are about 4 or
five domains that this happened to. Eventually the server gets tired of all
these queries and just shuts down. Does anyone have any idea why this is
happening? I have no idea why the server would be querying over and over
like this. Any help would be much appreciated.



Ryan Clevenger
Computer Support Specialist
North Point Community Church
Work - 770.290.5770
Cell =AD 770.634.9816
ryan.clevenger@northpoint.org



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