Another Question about SERVFAIL

One of our networking personnel is trying to access ftp.cisco.com and is unable to do so from Argonne. He has no problem from home, (Comcast). The Comcast DNS servers are 68.87.72.134 68.87.77.134 and report that they are running Nominum Vantio 4.2.1.0 (about which I know very

Re: Another Question about SERVFAIL

Cool, it looks like Cisco's Distributed Directors for ftp.cisco.com are misconfigured as open recursors: % dig www.sun.com @sjce-ddir-ns.cisco.com ; DiG 9.3.0 www.sun.com @sjce-ddir-ns.cisco.com ;; global options: printcmd ;; Got answer: ;; -HEADER- opcode: QUERY, status: NOERROR, id: 1471

Re: Another Question about SERVFAIL

In message 20100525202455.06f0b40...@britaine.cis.anl.gov, b19...@anl.gov wri tes: One of our networking personnel is trying to access ftp.cisco.com and is unable to do so from Argonne. He has no problem from home, (Comcast). The Comcast DNS servers are 68.87.72.134

Re: Another Question about SERVFAIL

I tried these myself, and I am still scratching my head on the results. First, I tried to look for just ftp.cisco.com's A record, and I got back the answer 198.133.219.241. $ dig @4.2.2.2 ftp.cisco.com. a ; DiG 9.4.3-P3 @4.2.2.2 ftp.cisco.com. a ; (1 server found) ;; global options: printcmd