DNS Leak on Gold?

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goink

• September 25, 2021 01:31

When I run a DNS leak test (www.dnsleaktest.com) from any browser on a wireless device on my network behind the Gold, I am seeing unexpected results. My IPv4 DNS on the Gold is set to 1.1.1.1 and 1.0.0.1. My inside AP is set to get DNS from the Gold. My end devices are set to obtain DNS automatically. nslookup on Windows shows the Gold IP. Why do I see Google DNS servers here? At various times I see other DNS servers, too.

The Gold is set as my only DNS server.

Test complete

Query round	Progress...	Servers found
1		......		4

IP	Hostname	ISP	Country
108.162.240.44	None	Cloudflare	Toronto, Canada
74.125.19.162	None	Google	Morganton, United States
74.125.19.163	None	Google	Morganton, United States
74.125.19.195	None	Google	Morganton, United States

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  Firewalla

  • September 25, 2021 17:12

  Did you setup DoH? if you are, do you have google on?

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  goink

  • September 25, 2021 17:14

  Yes, I set up DoH on the Gold.

  >>if you are, do you have google on?<<

  I don't know what this last comment means.

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  goink

  • September 25, 2021 17:34

  OK - I see what you mean. I disabled Google and Quad9 under DNS over HTTPS > Servers.

  Now, the Leak Test shows what I expect, Cloudflare and no other.

  Thanks for pointing out the setting.

  Test complete

  Query round	Progress...	Servers found
  1		......		1

  IP	Hostname	ISP	Country
  108.162.240.44	None	Cloudflare	Toronto, Canada

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