Unknown DNS - Yandex (Moscow)

[renatoyamane]

Sometimes when I go to dnscheck.tools I notice a DNS entry from Yandex (Moscow) 🤔

I don't have any Yandex on my Upstreams DNS servers:

[/pool.ntp.org/]9.9.9.10
[/0.openwrt.pool.ntp.org/]1.1.1.2
[/1.uk.pool.ntp.org/]149.112.112.10
https://dns.google/dns-query
https://doh3.dns.nextdns.io/xxxx/Router
https://dns.nextdns.io/xxxx
https://dns.quad9.net/dns-query
https://d.adguard-dns.com/dns-query/xxxx
https://doh.opendns.com/dns-query
https://security.cloudflare-dns.com/dns-query
tls://security.cloudflare-dns.com
tls://xxxx.d.adguard-dns.com
tls://xxxx.dns.nextdns.io

Firefox settings:

Windows settings:

SSID: Wireless-5GHz
Protocol:	Wi-Fi 5 (802.11ac)
Security type:	WPA3-Personal
Manufacturer:	Intel Corporation
Description: Intel(R) Wireless-AC 9560 160MHz
Driver version:	23.130.1.1
Network band (channel): 5 GHz (100)
Aggregated link speed (Receive/Transmit):	1560/1733 (Mbps)
Link-local IPv6 address:	fe80::xxxx
IPv4 address:	192.168.x.xxx
IPv4 default gateway: 192.168.x.x
IPv4 DNS servers: 192.168.x.x (Unencrypted)
Physical address (MAC):	XX:XX:E0:15:35:1X

From where this server from Moscow is coming from? 🤔