https://en.m.wikipedia.org/wiki/Google_Public_DNS https://en.m.wikipedia.org/wiki/Google_Public_DNS Google stated that for the purposes of performance and secu

https://en.m.wikipedia.org/wiki/Google_Public_DNS https://en.m.wikipedia.org/wiki/Google_Public_DNS Google stated that for the purposes of performance and security, the querying IP address will be deleted after 24–48 hours, but Internet service provider (ISP) and location information are stored permanently on their servers.