Date: Mon, 06 Sep 1999 16:07:47 +0100 From: Jason Thomson <jason.thomson@mintel.co.uk> To: freebsd-isp@freebsd.org Subject: OT: Root nameservers timing out. Message-ID: <37D3D8C3.DC12438B@mintel.co.uk>
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Is anyone else seeing the root nameservers timing out when queried? Sometimes it works, sometimes it doesn't. I've tried this from our network in the UK, and a couple of our sites in the States. Same intermittent failure. Now, I know (think) that under normal circumstances when doing a name lookup (gethostbyname) the resolver should try other servers, and so the query should eventually succeed, but one of our customers is having difficulty getting to our site www.mintel.com - I don't know what OS / proxy software they are using - or even if they're running their own NS, but I think their problems _may_ be related to the problems with the name servers. If anyone else is experiencing similar problems I would appreciate a shout. [ I know, I know we ought to have _our_ name servers on different networks - I've been trying to register one of our other hosts in the US with Network Solutions for this purpose, but my emails seem to have gone into a black hole. However - this client is in the UK, and (fairly) closely connected to us, and both of our servers _seem_ to be OK. ] host -d -t ns microsoft.com A.ROOT-SERVERS.NET ;; res_querydomain(A.ROOT-SERVERS.NET, <Nil>, 1, 1) ;; res_query(A.ROOT-SERVERS.NET, 1, 1) ;; res_mkquery(0, A.ROOT-SERVERS.NET, 1, 1) ;; res_send() ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27030 ;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; A.ROOT-SERVERS.NET, type = A, class = IN ;; Querying server (# 1) address = 127.0.0.1 ;; got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27030 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 12, ADDITIONAL: 12 ;; A.ROOT-SERVERS.NET, type = A, class = IN A.ROOT-SERVERS.NET. 6d21h16m36s IN A 198.41.0.4 NET. 5d20h20m42s IN NS C.ROOT-SERVERS.NET. NET. 5d20h20m42s IN NS G.ROOT-SERVERS.NET. NET. 5d20h20m42s IN NS F.GTLD-SERVERS.NET. NET. 5d20h20m42s IN NS F.ROOT-SERVERS.NET. NET. 5d20h20m42s IN NS B.ROOT-SERVERS.NET. NET. 5d20h20m42s IN NS I.ROOT-SERVERS.NET. NET. 5d20h20m42s IN NS E.ROOT-SERVERS.NET. NET. 5d20h20m42s IN NS D.ROOT-SERVERS.NET. NET. 5d20h20m42s IN NS J.GTLD-SERVERS.NET. NET. 5d20h20m42s IN NS K.GTLD-SERVERS.NET. NET. 5d20h20m42s IN NS A.ROOT-SERVERS.NET. NET. 5d20h20m42s IN NS H.ROOT-SERVERS.NET. C.ROOT-SERVERS.NET. 6d21h16m36s IN A 192.33.4.12 G.ROOT-SERVERS.NET. 6d21h16m36s IN A 192.112.36.4 F.GTLD-SERVERS.NET. 5d23h14m1s IN A 207.159.77.18 F.ROOT-SERVERS.NET. 6d21h16m36s IN A 192.5.5.241 B.ROOT-SERVERS.NET. 6d21h16m36s IN A 128.9.0.107 I.ROOT-SERVERS.NET. 6d21h42m42s IN A 192.36.148.17 E.ROOT-SERVERS.NET. 6d21h16m36s IN A 192.203.230.10 D.ROOT-SERVERS.NET. 6d21h16m36s IN A 128.8.10.90 J.GTLD-SERVERS.NET. 5d23h14m1s IN A 198.41.0.21 K.GTLD-SERVERS.NET. 5d23h14m1s IN A 195.8.99.11 A.ROOT-SERVERS.NET. 6d21h16m36s IN A 198.41.0.4 H.ROOT-SERVERS.NET. 6d21h16m36s IN A 128.63.2.53 Using domain server: Name: A.ROOT-SERVERS.NET Address: 198.41.0.4 Aliases: ;; res_mkquery(0, microsoft.com, 1, 2) ;; res_send() ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27031 ;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; microsoft.com, type = NS, class = IN ;; Querying server (# 1) address = 198.41.0.4 ;; timeout ;; Querying server (# 1) address = 198.41.0.4 ;; timeout res_send failed ;; res_mkquery(0, microsoft.com.mintel.co.uk, 1, 2) ;; res_send() ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27032 ;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; microsoft.com.mintel.co.uk, type = NS, class = IN ;; Querying server (# 1) address = 198.41.0.4 ;; timeout ;; Querying server (# 1) address = 198.41.0.4 ;; timeout res_send failed Host not found, try again. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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