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Do ISPs generally have DNS lookup past records? That seems like something that would be costly with little benefit. I run small ISP and only enable DNS logging
by zajio1am 6y ago
Do ISPs generally have DNS lookup past records? That seems like something that would be costly with little benefit. I run small ISP and only enable DNS logging when tracing some problem.
- judge2020 6y agoApparently AT&T charges to prevent them from selling your data[0], which almost certainly is DNS data and maybe SNI. 0: https://arstechnica.com/information-technology/2015/03/atts-plan-to-watch-your-web-browsing-and-what-you-can-do-about-it/ https://arstechnica.com/information-technology/2015/03/atts-...
- kitotik 6y agoLarge ones definitely do. There is lots of revenue generated from selling this data.