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One dns root server instance

aasalem10
Level 1
Level 1

Hi:

Almost always I get the same dns root server instance out of 13 while using opendns at adsl subscription.  Is that normal operation of Opendns in my location or it is an ISP issue. 




One-DNSroot-screenshot-n2 netalyzr icsi berkeley edu 2016-06-16 20-49-14.png
19 Replies 19

mattwilson9090
Level 4
Level 4

Ok. At least you finally came out and said you are having an actual problem.

Why do you think these are related to OpenDNS, and how is this related to your initial statement about root servers? None of the links you provided even mention DNS resolution from your own local network, and I can't see where any of them have your local DNS resolution involved.

rotblitz
Level 6
Level 6

@aasalem10
This is a forum to discuss OpenDNS related topics, not a forum to discuss other or general IT areas.  Nothing, absolutely nothing what you listed has to do with recursive DNS in general or OpenDNS in particular.

OpenDNS is your phone book of the internet, not your phone lines.  It resolves the names you use to numbers (IP addresses).  That's it!

aasalem10
Level 1
Level 1

Warnings and abnormality shown by Netalyzr while using OpenDns was another factor that prompted me to ask OpenDns experts.




Yandex-Dns-screenshot-n2 netalyzr icsi berkeley edu 2016-06-30 17-53-35.png
OpenDns-screenshot-n1 netalyzr icsi berkeley edu 2016-06-30 18-17-56.png

rotblitz
Level 6
Level 6

Yeah, we know, because this has been outlined by me already above.  Copying it down for your convenience:

  • Your ISP in Egypt and the peering network carriers have configured suboptimal routing, so that you are using the OpenDNS data center in London instead of the one in e.g. Bucharest.  Your latency is not good therefore.  There's not much you can do except to contact your ISP.