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haruki_zaemon's avatar
haruki_zaemon
Aspirant
Oct 07, 2022

IPv6 DNS not being handled by the route and instead clients being sent to the external servers

I have Cloudflare DNS configured at the router.   For IPv4 the router hands out its own IP for DNS (e.g. 192.168.1.1) and clients go to the router.   However, if I enable IPv6 at the router, it h...
CrimpOn's avatar
CrimpOn
Guru - Experienced User
Oct 07, 2022
haruki_zaemon wrote:

I have Cloudflare DNS configured at the router.

However, if I enable IPv6 at the router, it hands out Cloudflare's DNS servers and clients therefore go direct to Cloudflare.

I have CloudFlare and Google DNS configured as the DNS servers on my Netgear RBR50 Orbi router.  This is what a Windows 10 computer reports:

   DNS Servers . . . . . . . . . . . : fe80::a204:60ff:fe1c:239%22
                                       192.168.1.1
                                       fe80::a204:60ff:fe1c:239%22

Windows is using the router for DNS.  (fe80: is a local IPv6 address, not a public IPv6 address.)

In the past, I have often played around with defining static DNS servers on the PC. Perhaps CloudFlare has been set on the computer?