RS700S new v1.0.11.6 DNS issue

After your comment, I attempted the 3rd time with the latest firmware version, v1.0.11.6.

I discovered that I had set the custom DNS address to an invalid destination. Additionally, AdGuard Home is shut down, and the RS700S can still query for the DNS query.

e.g.: my network range is 192.168.1.0/24, and I set the primary DNS address to 192.168.2.1 or 192.168.100.1 or else.

The DNS leak test (https://www.dnsleaktest.com) shows the DNS request is forwarded to Cloudflare.

For the MITM part to investigating DNS steps, I may not go deeper since there are many services host in my homelab.

Instead, I will look deeper to the GPL source code.

any ads domain can test here >>> https://adblock.turtlecute.org

for example: afs.googlesyndication.com

=====================================

% dig 192.168.1.1 afs.googlesyndication.com

; <<>> DiG 9.10.6 <<>> 192.168.1.1 afs.googlesyndication.com

; (1 server found)

;; global options: +cmd

;; Got answer:

;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 51058

;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 1232

;; QUESTION SECTION:

;afs.googlesyndication.com. IN A

;; ANSWER SECTION:

afs.googlesyndication.com. 177 IN A 142.250.197.98

;; Query time: 5 msec

;; SERVER: 192.168.1.1#53(192.168.1.1)

;; WHEN: Sat Apr 25 20:41:42 HKT 2026

;; MSG SIZE  rcvd: 70