Re: Monitor DNS queries toward Root severs

2016-05-05 Thread Warren Kumari
On Wed, May 4, 2016 at 4:37 AM, Daniel Dawalibi wrote: > Hello > > > > Is there any tool or configuration that allows us to monitor/graph the > number of outbound DNS queries toward the Root servers? > Others have provided information on how to capture the traffic.

Re: Monitor DNS queries toward Root severs

2016-05-04 Thread Stephane Bortzmeyer
On Wed, May 04, 2016 at 07:03:13PM +1000, Mark Andrews wrote a message of 15 lines which said: > fill in with the rest of the root servers names. And if you don't like to type, or if you use another root: sudo tcpdump -n -i ${INTERFACE} port 53 and \( $(for ns in $(dig

Re: Monitor DNS queries toward Root severs

2016-05-04 Thread Mark Andrews
tcpdump -n \( host a.root-servers.net or host b.root-servers.net \) and dst port 53 fill in with the rest of the root servers names. -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org

Re: Monitor DNS queries toward Root severs

2016-05-04 Thread Jaap Akkerhuis
Daniel Dawalibi writes: > > Hello > > > > Is there any tool or configuration that allows us to monitor/graph the > number of outbound DNS queries toward the Root servers? http://dnstop.measurement-factory.com/ jaap ___ Please

Monitor DNS queries toward Root severs

2016-05-04 Thread Daniel Dawalibi
Hello Is there any tool or configuration that allows us to monitor/graph the number of outbound DNS queries toward the Root servers? As you can see in the below examples the first query answered by M root then F root in the second query. ; <<>> DiG 9.7.0-P1 <<>> www.cnn.com +trace ;;