Query DNS TXT
dig -t txt +short chat.nkonev.name
Flush Linux DNS cache
sudo systemd-resolve --flush-caches
Show DNSes
systemd-resolve --status
sudo ip route flush table main sudo systemd-resolve --flush-caches sudo systemctl restart NetworkManager
Объяснения про /etc/resolv.conf и почему там 127.0.0.53
/etc/resolv.conf
127.0.0.53