Formaleins Posted November 7, 2022 Share Posted November 7, 2022 When choosing a DNS server manually as opposed to allowing the ISP to select the DNS server, where is the priority? My question is about how the DNS server is prioritized, as an example, on my Asus router I can specify the DNS server address like Google 8.8.8.8 or 8.8.4.4 in the router settings, however, if I go into my individual PC and go to the network settings, I can assign a DNS address using the local settings on my particular PC. So, if I were to set my DNS on the router to Google on 8.8.8.8 and on my local machine to another server like 1.1.1.1 within Windows 11, which actual DNS server would be in use? If I leave my router blank and do not specify a DNS address, can each individual computer connected to the router specify and use its own DNS independently? Burning question I should have asked 10 years ago. - Thanks to anyone that knows the answer. Link to comment Share on other sites More sharing options...
capriole Posted November 7, 2022 Share Posted November 7, 2022 As a rule, DNS set in Windows (with static IP etc) overrides a router's DNS. However, some routers intercept the Windows DNS making the router DNS take priority but this is pretty rare. 2 Link to comment Share on other sites More sharing options...
worgeordie Posted November 7, 2022 Share Posted November 7, 2022 I use an app called DNS jumper , it has 35 DNS settings to choose from ,you can test for the quickest , and also flush the DNS ,its free regards worgeordie 1 Link to comment Share on other sites More sharing options...
OneMoreFarang Posted November 7, 2022 Share Posted November 7, 2022 In a router you set settings for the DHCP server. A DHCP server assigns IP addresses and additional settings like DNS, WINS, default gateway and others. If then you connect a PC the PC will get an IP address from that DHCP server including the DNS settings etc. from that DHCP server. You can also manually set the IP address and DNS addresses on each device (Windows, Linux, smart phone, IoT, whatever). If you only connect from devices to internet devices, then you need only a public DNS server like the server from your ISP or Google. If you have a network with several devices (PCs, printers, etc.) and they should recognize each other then you need a local DNS server. 1 Link to comment Share on other sites More sharing options...
OneMoreFarang Posted November 7, 2022 Share Posted November 7, 2022 2 minutes ago, worgeordie said: I use an app called DNS jumper , it has 35 DNS settings to choose from ,you can test for the quickest , and also flush the DNS ,its free regards worgeordie Why do you do that? I never had such an app and never had DNS problems since >30 years with networked computers. 2 Link to comment Share on other sites More sharing options...
Roger That Posted November 7, 2022 Share Posted November 7, 2022 I've got a feeling that AIS (and maybe others) hijack DNS queries (although I've never properly tested this). Presumably encrypted DNS (in particular DNS over https) would get round this although my knowledge on that is a bit sketchy. If anyone knows any better feel free to chime in! Link to comment Share on other sites More sharing options...
worgeordie Posted November 7, 2022 Share Posted November 7, 2022 5 minutes ago, OneMoreFarang said: Why do you do that? I never had such an app and never had DNS problems since >30 years with networked computers. "You can also manually set the IP address and DNS addresses on each device (Windows, Linux, smart phone, IoT, whatever). " you said , .... because it's easier to use for me , plus it lists DNS settings I never knew about, currently using Quad 9 security.. regards worgeordie Link to comment Share on other sites More sharing options...
soi3eddie Posted November 7, 2022 Share Posted November 7, 2022 Device DNS addresses will normally overide Router/ISP DNS addreses. Link to comment Share on other sites More sharing options...
clearance Posted November 7, 2022 Share Posted November 7, 2022 A server that set in Windows settings have a priority. You can check what your machine is using here: https://www.dnsleaktest.com Nowadays DNS can be also set in browsers (check Secure DNS setting in Chrome, for example). Link to comment Share on other sites More sharing options...
wprime Posted November 7, 2022 Share Posted November 7, 2022 Whatever you set in Windows is what it will use. Link to comment Share on other sites More sharing options...
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