Users of BT’s Mini Whole Home Wi-Fi range-extender discs have noticed their devices are making hundreds of thousands of daily DNS lookups for big tech companies’ websites – causing problems for some wanting to access Gmail and Microsoft services.
The huge volume of requests generated by the BT-branded discs has caused problems for some Reg readers after their DNS-lookup-spewing IP addresses were flagged by their DNS providers as hives of malicious activity.
Irritated individuals have told us each of their discs generates one DNS lookup for google.com every second – meaning one disc generates 86,400 lookups a day. For those using three or four discs and a custom DNS server configuration, the impact is enough to get their IP addresses flagged as suspicious, we were told.
Reg reader Martin said each of his six Wi-Fi range extender discs were making DNS lookups for Microsoft. After he noticed the volume ...
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