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OpenDNS - Usage Help Needed !!

This is a discussion on OpenDNS - Usage Help Needed !! within the Broadband How to forums, part of the Indian Broadband Forums category; I have heard couple of posters talk about OpenDNS and how good it is. I'd like to know more about ...

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Old 02-10-09, 03:07 PM   #1
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I have heard couple of posters talk about OpenDNS and how good it is. I'd like to know more about this service. Couple of questions

1. Do we need to configure their DNS server instead of BSNL's ?
2. Do we need to change our login and pw info on the admin page of the model ?
3. Does the speed increase or decrease on usage of OpenDNS ?

Maybe some member's who are familiar with service can write a detailed review about it
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Old 02-10-09, 07:01 PM   #2
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Quote:
Originally Posted by vikramjb View Post
I have heard couple of posters talk about OpenDNS and how good it is. I'd like to know more about this service. Couple of questions

1. Do we need to configure their DNS server instead of BSNL's ?
2. Do we need to change our login and pw info on the admin page of the model ?
3. Does the speed increase or decrease on usage of OpenDNS ?

Maybe some member's who are familiar with service can write a detailed review about it
Switching to OpenDNS will accelerate your browsing experience. The web pages will start loading faster than while being on BSNL's DNS.

I didnt understand what the second query was. If u are speaking about the credentials used to access the modem interface, yes please change the password to something secure.

The third question's answer is also given above.
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Old 02-11-09, 02:12 PM   #3
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Originally Posted by cool_techie_tvm View Post
I didnt understand what the second query was. If u are speaking about the credentials used to access the modem interface, yes please change the password to something secure.
What I meant was in the modem admin page, we have a credentials given right, do I need to change to the one that I signed up with OpenDNS ?


Thanks for your reply , if there is accelrated browsing exprience does it mean I will get more speed on my machine than the plan that I bought. I have a 750UL with 256 Kbps
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Old 02-11-09, 05:25 PM   #4
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Originally Posted by vikramjb View Post
What I meant was in the modem admin page, we have a credentials given right, do I need to change to the one that I signed up with OpenDNS ?


Thanks for your reply , if there is accelrated browsing exprience does it mean I will get more speed on my machine than the plan that I bought. I have a 750UL with 256 Kbps

No no, u need not enter anything such credentials in the modem. Just enter the IP address of OpenDNS.

Sadly no. OpenDNS just speeds up the resolution of the websites, and hence your web browsing experience will be fast.
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Old 02-11-09, 09:36 PM   #5
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Originally Posted by cool_techie_tvm View Post
Switching to OpenDNS will accelerate your browsing experience. The web pages will start loading faster than while being on BSNL's DNS.

I didnt understand what the second query was. If u are speaking about the credentials used to access the modem interface, yes please change the password to something secure.

The third question's answer is also given above.
I doubt that, as OpenDNS servers are hosted outside india the latency would on higher side than BSNL's dns servers.

But Opendns servers are reliable than bsnl ones
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Old 02-11-09, 09:41 PM   #6
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I doubt that, as OpenDNS servers are hosted outside india the latency would on higher side than BSNL's dns servers.

But Opendns servers are reliable than bsnl ones
They use multicasting. Hence the nearest available server will be contacted for queries. Besides latency doesn't play much part while resolving website addresses. A few kbs are being transmitted and it may not make much difference whether the server is in India or US. Yet geographical consideration too must be taken. OpenDNS seems to be the best of the lot along with Level 3 communications..
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Old 02-12-09, 02:40 AM   #7
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Boss, it takes atleast 1-2sec extra when using open dns
Code:
Microsoft Windows [Version 6.1.7000]
Copyright (c) 2006 Microsoft Corporation.  All rights reserved.

C:\Users\Gaurish>ping 208.67.220.220(Open DNS)

Pinging 208.67.220.220 with 32 bytes of data:
Reply from 208.67.220.220: bytes=32 time=297ms TTL=55
Reply from 208.67.220.220: bytes=32 time=291ms TTL=55
Reply from 208.67.220.220: bytes=32 time=297ms TTL=55
Reply from 208.67.220.220: bytes=32 time=300ms TTL=55

Ping statistics for 208.67.220.220:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 291ms, Maximum = 300ms, Average = 296ms

C:\Users\Gaurish>ping 218.248.240.208(BSNL)

Pinging 218.248.240.208 with 32 bytes of data:
Reply from 218.248.240.208: bytes=32 time=56ms TTL=251
Reply from 218.248.240.208: bytes=32 time=55ms TTL=251
Reply from 218.248.240.208: bytes=32 time=56ms TTL=251
Reply from 218.248.240.208: bytes=32 time=54ms TTL=251

Ping statistics for 218.248.240.208:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 54ms, Maximum = 56ms, Average = 55ms
See the differnce yourself
OpenDNS:300ms
BSNL:56ms
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Old 02-12-09, 10:45 AM   #8
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Originally Posted by Gary4gar View Post
Boss, it takes atleast 1-2sec extra when using open dns

See the differnce yourself
OpenDNS:300ms
BSNL:56ms
Wont the secs be shorter when we try pinging a PC which is on the BSNL internal network? Try ping some public domain alternatively switching between OpenDNS and BSNL's DNS.
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Old 02-12-09, 11:56 AM   #9
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Quote:
Originally Posted by cool_techie_tvm View Post
Wont the secs be shorter when we try pinging a PC which is on the BSNL internal network? Try ping some public domain alternatively switching between OpenDNS and BSNL's DNS.
Regardless to what you say, OpenDNS is always slower for me
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Old 02-12-09, 12:01 PM   #10
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Originally Posted by Gary4gar View Post
Regardless to what you say, OpenDNS is always slower for me
Ok. State that, instead of displaying ping results from BSNL internal servers
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Old 02-12-09, 06:55 PM   #11
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So I guess its Reliability Vs Speed and Performance right guys, I mean OpenDNS is always reliable but not fast enough and BSNL is fast enough but not reliable but not always.. Ofcourse speed is factor that can be found in both places depending on the location and how you see it

Thanks for all those replies guys . I am gonna try it out and let you know the results
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Old 02-12-09, 07:00 PM   #12
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Originally Posted by vikramjb View Post
So I guess its Reliability Vs Speed and Performance right guys, I mean OpenDNS is always reliable but not fast enough and BSNL is fast enough but not reliable but not always.. Ofcourse speed is factor that can be found in both places depending on the location and how you see it

Thanks for all those replies guys . I am gonna try it out and let you know the results
Exactly. BSNL does not allocate much resources for DNS purposes. Hence most of the subscribers fight for a common machine, and ultimately it will lead to congestion for all the users. SO it is better to opt for stable third part providers!!
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Old 02-12-09, 07:10 PM   #13
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Originally Posted by cool_techie_tvm View Post
Exactly. BSNL does not allocate much resources for DNS purposes. Hence most of the subscribers fight for a common machine, and ultimately it will lead to congestion for all the users. SO it is better to opt for stable third part providers!!
Can we raise some kinda awareness so that BSNL upgrades/allocate resources ? Is it really possible
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Old 02-12-09, 07:18 PM   #14
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Can we raise some kinda awareness so that BSNL upgrades/allocate resources ? Is it really possible
Dont know. I have warned BSNL techies about a recent DNS spoofing technique last year. All i got was a thank u mail from someone named Prashant from NIB Bangalore.
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Old 02-12-09, 07:33 PM   #15
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Originally Posted by cool_techie_tvm View Post
Dont know. I have warned BSNL techies about a recent DNS spoofing technique last year. All i got was a thank u mail from someone named Prashant from NIB Bangalore.
We are meaning well and they might think we are playing around. Can we file a RTI to know how much of resource's is being utilised for the DNS ?
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Old 02-13-09, 02:09 AM   #16
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Originally Posted by cool_techie_tvm View Post
Dont know. I have warned BSNL techies about a recent DNS spoofing technique last year. All i got was a thank u mail from someone named Prashant from NIB Bangalore.
They have successfully matched their DNS server for that vulnerability, i was thinking how come they acted so fast.

Didn't knew it was you!
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Old 02-13-09, 08:09 AM   #17
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They have successfully matched their DNS server for that vulnerability, i was thinking how come they acted so fast.

Didn't knew it was you!
Maybe they acted out of my words, maybe they already knew it and fixed it by themselves. I got a reply mail from NIB thanking me for the suggestion. Actually i didn't expect them to contact back.
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Old 02-14-09, 10:32 PM   #18
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Originally Posted by Gary4gar View Post
Regardless to what you say, OpenDNS is always slower for me
OpenDNS > Support > Knowledge Base > Why ping time is only a partial measure of DNS speed

Why ping time is only a partial measure of DNS speed


Speed of DNS is determined by two main factors: network latency and software speed.

Network latency is measured by ping time. OpenDNS has 5 data centers (4 in the United States, one in the United Kingdom), with several servers and multiple bandwidth providers in and between each location. Our anycast addresses mean you'll get a response from the closest data center.

Given our network, the ping time between you and the closest OpenDNS server should be minimal. However, even if OpenDNS is further away on the network than your current DNS provider (ISP, global roots), our custom-written software and huge caches combine to deliver a faster overall DNS experience. Even if your ISP is "closer" if they don't have the answer, your request will traverse the Internet. With OpenDNS, your request gets answered directly almost without exception.
OpenDNS is also very reliable. If anything should go awry at a data center, your requests will be resolved from the next closest data center seamlessly.
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Old 02-14-09, 10:35 PM   #19
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^^ Thanks for the detailed explanation and support !!

Repped
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Old 04-07-09, 01:18 AM   #20
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OPen DNS introduce you to

1. lot of advertisements

2. Tracking Your browsing habits ,can be monitored by others

3. Your search Engine result will give fake results

If is it good , Enjoy
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