---

pkg i dnsutils -y
DOM="domrf.ru domrfbank.ru gosuslugi.ru github.com ya.ru ozon.ru cbr.ru nalog.ru"
for s in $(getprop net.dns1) 77.88.8.8 9.9.9.9 1.1.1.1; do
  [ -n "$s" ] || continue
  echo "=== $s ==="
  for d in $DOM; do
    qt=$(dig +time=3 +tries=1 $d @$s 2>/dev/null | awk '/Query time/{print $4}')
    echo "$d: ${qt:-FAIL} ms"
  done
done