Hi, I have a wierd DNS behaviour with dig. When looking up some records, I get a timeout, though not with the +trace option :
root : vistres - ~> dig +trace @127.0.0.1 www.microsoft.com ; <<>> DiG 9.3.5-P2 <<>> +trace @127.0.0.1 www.microsoft.com ; (1 server found) ;; global options: printcmd . 517512 IN NS H.ROOT-SERVERS.NET. . 517512 IN NS I.ROOT-SERVERS.NET. . 517512 IN NS J.ROOT-SERVERS.NET. . 517512 IN NS K.ROOT-SERVERS.NET. . 517512 IN NS L.ROOT-SERVERS.NET. . 517512 IN NS M.ROOT-SERVERS.NET. . 517512 IN NS A.ROOT-SERVERS.NET. . 517512 IN NS B.ROOT-SERVERS.NET. . 517512 IN NS C.ROOT-SERVERS.NET. . 517512 IN NS D.ROOT-SERVERS.NET. . 517512 IN NS E.ROOT-SERVERS.NET. . 517512 IN NS F.ROOT-SERVERS.NET. . 517512 IN NS G.ROOT-SERVERS.NET. ;; Received 500 bytes from 127.0.0.1#53(127.0.0.1) in 2 ms com. 172800 IN NS a.gtld-servers.net. 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. ;; Received 495 bytes from 128.63.2.53#53(H.ROOT-SERVERS.NET) in 445 ms microsoft.com. 172800 IN NS ns1.msft.net. microsoft.com. 172800 IN NS ns2.msft.net. microsoft.com. 172800 IN NS ns3.msft.net. microsoft.com. 172800 IN NS ns4.msft.net. microsoft.com. 172800 IN NS ns5.msft.net. ;; Received 213 bytes from 192.5.6.30#53(a.gtld-servers.net) in 494 ms www.microsoft.com. 0 IN CNAME toggle.www.ms.akadns.net. ;; Received 73 bytes from 207.68.160.190#53(ns1.msft.net) in 538 ms root : vistres - ~> root : vistres - ~> dig @127.0.0.1 www.microsoft.com ; <<>> DiG 9.3.5-P2 <<>> @127.0.0.1 www.microsoft.com ; (1 server found) ;; global options: printcmd ;; connection timed out; no servers could be reached root : vistres - ~> It has only happened with microsoft.com so far. Any idea ? Christian
