ทำใมเชื่อมต่อ dns.quad9.net ไม่ได้ครับ!!!

ตามข้างบนที่เขียนไว้ครับ!!!

You have a duplicate post.

If this is real some info

This is for a desktop

Try https://support.mozilla.org/en-US/questions/ios

for ios mobiles

Hi there,

This question appears to be a duplicate of /questions/1598102. This thread will be locked to keep the discussion in one place. Please refer to the linked thread for existing answers and ongoing discussion.

Thanks for your understanding!