Colombo Telegraph

Video: How SLT Blocking Colombo Telegraph At The OTS Building

The video below shows how we placed requests to a domain name server inside Sri Lanka Telecom network to resolve a few domain names.Many other SLT nameservers we tested have the same behaviour, so it is clear it’s not this specific one. This video only shows one of them.

Telecom chairman – Kumarasinghe Sirisena

The domain name server with IP address is hosted in the Government network and shows how it resolves correctly the and domains but fails to resolve

The bogus responses (IP address when requesting or is a common response when implementing domain name filtering. Many other SLT DNS servers have the same behaviour, in the video, only 1 of them is shown.

We have created this video so others can reproduce the test to verify our claims.

Not all SLT users are affected because:

1) Maybe not all the SLT nameservers have this behaviour (many of those we tested send the bogus responses).
2) Some SLT users do not use the SLT nameservers (knowingly or not, for example if their computer or some equipment in their network use other DNS like Opendns).

Click here to watch the video if you cannot view it

Click here to read the history of blocking Colombo Telegraph

Related stories:

Exposé: Srisena Brothers Continue Rajapaksa Policy Of Blocking Colombo Telegraph

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