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Does ISP hijack DNS?

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Old 08-07-2018, 09:21 PM   #1
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Does ISP hijack DNS?

Can I ask of a favour from you guys?
Do post a screenshot of the results from
https://www.dnsleaktest.com
Also include your ISP and 3rd party DNS server you are using.

Thanks in advance
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Old 08-07-2018, 11:09 PM   #2
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Test complete Query round Progress... Servers found 1 ...... 1 2 ...... 1 3 ...... 1 4 ...... 1 5 ...... 1 6 ...... 1 IP Hostname ISP Country 119.56.**.*** ***.**.56.119.unknown.m1.com.sg M1 Singapore
Local hosted pihole + Unbound as resolver
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Old 08-07-2018, 11:28 PM   #3
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Yes, once i saw singtel replace google ip with internal transparent proxy which caches google.
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Old 09-07-2018, 11:37 PM   #4
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ISP : SH

Using OpenDNS
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Old 10-07-2018, 09:45 AM   #5
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I think you should also indicate whether you are using ONT or ONR and also whether you are using ISP provided router running their ISP customised firmware.

From my previous experience with SH fibre using ONT and own router I was able to pass the OpenDNS check.
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Old 10-07-2018, 11:54 AM   #6
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So currently M1 and starhub pass

Singtel probably is spying on their users.

Still waiting for viewquest, whizcomms & myrepublic users
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Old 10-07-2018, 12:49 PM   #7
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So currently M1 and starhub pass

Singtel probably is spying on their users.

Still waiting for viewquest, whizcomms & myrepublic users


VQ.

Using 8.8.8.8
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Old 10-07-2018, 01:16 PM   #8
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ISP : Starhub 1Gbps

DNS : Default / SH
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Old 10-07-2018, 03:09 PM   #9
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Why does an ISP want to do DNS hijack?
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Old 10-07-2018, 03:34 PM   #10
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VQ

1.1.1.1 (DNSSEC enabled)
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Old 10-07-2018, 08:03 PM   #11
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Why does an ISP want to do DNS hijack?
https://en.m.wikipedia.org/wiki/DNS_hijacking

In Singtel case is probably to force the use of their own cache server
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Old 10-07-2018, 09:49 PM   #12
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Why does an ISP want to do DNS hijack?
Spying maybe, but also to route traffic thru transparent proxies and apply traffic shaping... definitely not for caching as if yr dns request does not match a 'targeted' domain, they wont poison.
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Old 11-07-2018, 07:55 AM   #13
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Spying maybe, but also to route traffic thru transparent proxies and apply traffic shaping... definitely not for caching as if yr dns request does not match a 'targeted' domain, they wont poison.
Recently M1 did something like that.
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Old 11-07-2018, 08:30 AM   #14
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Recently M1 did something like that.
M1 doesn't hijack DNS. If the dnsleaktest doesn't show your ISP DNS being used when you selected a 3rd party DNS resolver, you are safe.

https://www.dnsleaktest.com/what-is-...dns-proxy.html

Last edited by dryteletubby; 11-07-2018 at 08:58 AM..
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Old 11-07-2018, 05:42 PM   #15
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I see. I think I will avoid subscribing to Singtel.
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