Question please help, when use 1.1.1.1 dns or google one some website doesn't open like twitter, Reddit. i want to keep them as they are fast?

[slm-pc]

please help, when use 1.1.1.1 dns or google one some website doesn't open like twitter, Reddit. i want to keep them as they are fast? when i return to my original dns every website open but its slow.
thanks in advance

 

[lantis3]

alternative dns
level 3 dns : 4.2.2.1 - 4.2.2.6
quad9 dns : 9.9.9.9

you can also host your own dns: technitium dns

Technitium DNS Server | An Open Source DNS Server For Privacy & Security

Technitium DNS Server is an open source authoritative as well as recursive DNS server that can be used for self hosting a DNS server for privacy & security.

technitium.com

View: https://www.youtube.com/watch?v=o3hu7Lty7cY

 

[KingLoki]

1. Have you 1.1.1.1 typed into your modem as the preferred DNS?
2. Have you manually entered the dns into your network/adapter settings on your PC?

 

[kanewolf]

please help, when use 1.1.1.1 dns or google one some website doesn't open like twitter, Reddit. i want to keep them as they are fast? when i return to my original dns every website open but its slow.
thanks in advance

Do you have IPv6 disabled on your device so that it is forced to use the IPv4 DNS servers ?