Guys thanks for all the information. Lot to look into. Will keep you posted of progress. O
> Date: Mon, 8 Nov 2010 16:16:05 -0500 > Subject: Re: DNS server recommendation > From: [email protected] > To: [email protected] > CC: [email protected] > > Was querying Google.com using Window's nslookup tool (nslookup > google.com208.67.222.222). > > Will eventually try my Mac on the 120Mbps comcast at the office > (and perhaps at peak10 too) > > Uncached attempts using OpenDNS's 208.67.222.222 on Mac (I hate to use this > network as the benchmark, its quite loaded down) and the poor Macbook is > doing a USB file transfer. > > Michael-Pottss-MacBook:~ mpotts$ time dig sonic.net > > > > > >> ; <<>> DiG 9.6.0-APPLE-P2 <<>> sonic.net > > > > ;; global options: +cmd > > > > ;; Got answer: > > > > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11068 > > > > ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 > > > > > >> ;; QUESTION SECTION: > > > > ;sonic.net. IN A > > > > > >> ;; ANSWER SECTION: > > > > sonic.net. 86400 IN A 209.204.190.64 > > > > > >> ;; Query time: 101 msec > > > > ;; SERVER: 208.67.222.222#53(208.67.222.222) > > > > ;; WHEN: Mon Nov 8 16:13:39 2010 > > > > ;; MSG SIZE rcvd: 43 > > > > > >> > >> real 0m0.110s > > > > user 0m0.002s > > > > sys 0m0.005s > > > > > > > Michael Potts > (904) 638-2914 > > > On Mon, Nov 8, 2010 at 4:04 PM, William L. Thomson Jr. < > [email protected]> wrote: > > > On Mon, 2010-11-08 at 15:52 -0500, Michael Potts wrote: > > > Agreed on the local cache. DD-WRT runs a very nice DNSMasq service > > > that handles local caching and forwarding of unknown queries. Though > > > for a standard Comcast connection, I have found that it takes about > > > 10ms to resolve from OpenDNS. A quick test to a local Windows > > > Server2k8 DNS server took 12ms. > > > > Not bad, but still a delay. Where are you getting that time from? Also > > what were you querying? > > > > > Comcast's closest DNS server (cns.bonitasprngs.fl.naples.comcast.net) > > > took 16ms. > > > Comcast's "Opt-Out" (of their domain resolution helper that shows > > > adverts instead of a dns query fail) responded in 15ms (interestingly > > > enough, this server supports DNSSEC and uses anycast on 75.75.75.75 & > > > 75.75.76.76) > > > > More of a delay > > > > > (all tests preformed on a Windows 7 PC (Corei7 8 thread, 8GB RAM, 1TB, > > > currently running 2 VMs and a backup) on Gbit network to a 25Mbit/sec > > > Comcast connection. ) > > > > Should try using a Linux box on the same network and see what the > > difference in speed is ;) > > > > Just for reference via a wireless connection, 54g. > > > > $ time dig google.com > > ;; Query time: 37 msec > > real 0m0.354s > > user 0m0.000s > > sys 0m0.000s > > > > Google being in local cache, this next one I have a record setup for ;) > > > > $ time dig jaxlug.org > > ;; Query time: 1 msec > > real 0m0.006s > > user 0m0.000s > > sys 0m0.000s > > > > > > These are full lookups, not in cache > > > > $ time dig sonic.net > > ;; Query time: 97 msec > > real 0m0.155s > > user 0m0.000s > > sys 0m0.000s > > > > $ time dig yourmomma.org > > ;; Query time: 32 msec > > real 0m0.038s > > user 0m0.000s > > sys 0m0.000s > > > > Yes I dig your momma :) > > > > -- > > William L. Thomson Jr. > > Obsidian-Studios, Inc. > > http://www.obsidian-studios.com > > > > > > --------------------------------------------------------------------- > > Archive http://marc.info/?l=jaxlug-list&r=1&w=2 > > RSS Feed http://www.mail-archive.com/[email protected]/maillist.xml > > Unsubscribe [email protected] > > > >
