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Problems resolving

From: Alan Ordway
Date: Tuesday, October 26, 2004
Time: 1:49:53 pm

I seem to be having problems with resolution. What is happening is that
when someone tries to go to a website that the dns has not cached the
ip for, the web browser ends up timing out with a can not find server.
However if the user tries again right away the page loads fine.
If from the command line (OS X 10.3.5) I try a dig, I get immediate
results from our DNS but from the rest of the stream it is quit a bit
slower. Below is an example of digging google.
Do I have a DNS problem or is it a network problem? I don't know what
else to check

aordway$ dig @ns.ihmc.us www.google.com +trace

; <<>> DiG 9.2.2 <<>> @ns.ihmc.us www.google.com +trace
;; global options: printcmd
. 492808 IN NS F.ROOT-SERVERS.NET.
. 492808 IN NS G.ROOT-SERVERS.NET.
. 492808 IN NS H.ROOT-SERVERS.NET.
. 492808 IN NS I.ROOT-SERVERS.NET.
. 492808 IN NS J.ROOT-SERVERS.NET.
. 492808 IN NS K.ROOT-SERVERS.NET.
. 492808 IN NS L.ROOT-SERVERS.NET.
. 492808 IN NS M.ROOT-SERVERS.NET.
. 492808 IN NS A.ROOT-SERVERS.NET.
. 492808 IN NS B.ROOT-SERVERS.NET.
. 492808 IN NS C.ROOT-SERVERS.NET.
. 492808 IN NS D.ROOT-SERVERS.NET.
. 492808 IN NS E.ROOT-SERVERS.NET.
;; Received 356 bytes from 65.212.118.10#53(ns.ihmc.us) in 1 ms

com. 172800 IN NS B.GTLD-SERVERS.NET.
com. 172800 IN NS C.GTLD-SERVERS.NET.
com. 172800 IN NS D.GTLD-SERVERS.NET.
com. 172800 IN NS E.GTLD-SERVERS.NET.
com. 172800 IN NS F.GTLD-SERVERS.NET.
com. 172800 IN NS G.GTLD-SERVERS.NET.
com. 172800 IN NS H.GTLD-SERVERS.NET.
com. 172800 IN NS I.GTLD-SERVERS.NET.
com. 172800 IN NS J.GTLD-SERVERS.NET.
com. 172800 IN NS K.GTLD-SERVERS.NET.
com. 172800 IN NS L.GTLD-SERVERS.NET.
com. 172800 IN NS M.GTLD-SERVERS.NET.
com. 172800 IN NS A.GTLD-SERVERS.NET.
;; Received 504 bytes from 192.5.5.241#53(F.ROOT-SERVERS.NET) in 94 ms

google.com. 172800 IN NS ns1.google.com.
google.com. 172800 IN NS ns2.google.com.
google.com. 172800 IN NS ns3.google.com.
google.com. 172800 IN NS ns4.google.com.
;; Received 168 bytes from 192.26.92.30#53(C.GTLD-SERVERS.NET) in 55 ms

www.google.com. 900 IN CNAME www.google.akadns.net.
. 3600000 IN NS A.ROOT-SERVERS.net.
. 3600000 IN NS B.ROOT-SERVERS.net.
. 3600000 IN NS C.ROOT-SERVERS.net.
. 3600000 IN NS D.ROOT-SERVERS.net.
. 3600000 IN NS E.ROOT-SERVERS.net.
. 3600000 IN NS F.ROOT-SERVERS.net.
. 3600000 IN NS G.ROOT-SERVERS.net.
. 3600000 IN NS H.ROOT-SERVERS.net.
. 3600000 IN NS I.ROOT-SERVERS.net.
. 3600000 IN NS J.ROOT-SERVERS.net.
. 3600000 IN NS K.ROOT-SERVERS.net.
. 3600000 IN NS L.ROOT-SERVERS.net.
. 3600000 IN NS M.ROOT-SERVERS.net.
;; Received 275 bytes from 216.239.32.10#53(ns1.google.com) in 87 ms


--
Alan Ordway




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