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TalkTalk Users Hit by DNS Woes on WordPress and Imgur Sites UPDATE

Tuesday, October 23rd, 2018 (8:30 am) - Score 8,881
TalkTalk Logo 2017

Some of TalkTalk’s broadband ISP customers in the UK appear to be suffering from a Domain Name System (DNS) or routing bug, which has been obstructing their access to web pages and images on the popular WordPress (blogs) and Imgur (picture sharing) websites since the weekend (other sites are also affected).

Officially the ISP only began acknowledging that a problem existed on Sunday morning, when they finally updated their service status page. Nevertheless subscribers have been reporting that the disruption actually began on Saturday and still has not been fixed.

The DNS system (server) is responsible for translating IP addresses into human readable domain names (e.g. ISPreview.co.uk) and then back again. In the past such systems were fairly simple, although today ISPs are required to do all sorts of complicated filtering (blocking / censorship) of website content and sometimes things do go wrong.

In the past we’ve seen plenty of similar problems from all of the major ISPs, most recently including Vodafone that has also been troubled by a long running problem with access to Imgur (here).

Service Status Statement

We’re aware that some customers are unable to access the imgur.com website and some WordPress sites.

We’d like to apologise for the inconvenience caused and assure you our engineers are investigating this issue

Initially support agents were advising customers to try a free DNS alternative instead (Google Public DNS, OpenDNS etc.), although many of those affected have reported that this did not resolve the problem. Instead the only way around it has been to use a Virtual Private Network (VPN) service, so as to entirely avoid TalkTalk’s internet filtering systems.

Meanwhile TalkTalk’s network team have been asking some subscribers to help them identify the faulty DNS server by running this command under MS Windows (command prompt):

nslookup -q=txt -class=CHAOS id.server 79.79.79.79

Naturally the ISP’s twitter feed is full of angry subscribers. We have requested a comment from TalkTalk and are awaiting their response.

UPDATE 1:23pm

In a brief update the ISP now says, “We’re pleased to confirm that earlier issues with image sharing sites has now been resolved.”

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Mark Jackson
By Mark Jackson
Mark is a professional technology writer, IT consultant and computer engineer from Dorset (England), he also founded ISPreview in 1999 and enjoys analysing the latest telecoms and broadband developments. Find me on Twitter, , Facebook and Linkedin.
Leave a Comment
9 Responses
  1. Avatar geroi

    talktalk default DNS also block teamviewer

    • Yes but that’s intentional (old news). They also block a bunch of other VPN style remote desktop clients, not only Teamviewer. You can get those lifted by requesting the ISP to do so on your connection.

    • Avatar Michael Organ

      Then change the DNS server on the router simple. If you dont know how there are a number of very good YouTube videos.

  2. Avatar mir

    Not a DNS issue as when I use third party DNS it’s still the same (valid response from TalkTalk DNS and third party DNS). This is a routing issue or another form of traffic intercept in the TalkTalk network not a TalkTalk DNS issue or anyform of DNS issue

    • Avatar Michael Organ

      Are you a fibre customer if so it could be the BT servers not TalkTalk. I used to work for a company who subcontracted to all the big providers and I can tell you there is little difference between them but TalkTalk always gets the blame. Openreach is not a service provider but is the biggest headache for everyone apart from BT strange that.

  3. Avatar Stephen robinson

    My full content as been hacked and it doesnt end ther i av security but its been by passed police are now involved

  4. Avatar George

    I left talk talk as not very good service from them be carful

  5. Avatar Jb

    Hasnt affected the business side of things, i.e leased line etc.

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