diff --git a/package/ntlf9t/smartdns/conf/custom.conf b/package/ntlf9t/smartdns/conf/custom.conf
index 032b673b97..8f24e83334 100644
--- a/package/ntlf9t/smartdns/conf/custom.conf
+++ b/package/ntlf9t/smartdns/conf/custom.conf
@@ -13,67 +13,54 @@
 # List of hosts that supply bogus NX domain results 
 # bogus-nxdomain [ip/subnet]
 
+speed-check-mode ping,tcp:80
+
+server 140.143.226.193
+server 140.143.65.193
 server 202.141.178.13:5353
 server 202.38.93.153:5353
 server 202.141.162.123:5353
-server 118.24.208.197:9090
-server 114.115.240.175:9090
-server 47.101.136.37:9090
-server 119.29.107.85:9090
-server 150.109.74.164:9090
-server 107.155.79.120:9090
-server 8.8.8.8
-server 8.8.4.4
-server 1.1.1.1
-server 1.0.0.1
-server 9.9.9.9
-server 208.67.222.222:5353
-server 208.67.220.220:5353
+server 208.67.222.222:5353 -group fq_dns
+server 208.67.220.220:5353 -group fq_dns
 server 2001:da8::666
-server 2604:880:398:555::1:9090
-server 2001:4860:4860::8888
-server 2001:4860:4860::8844
-server 2606:4700:4700::1111
-server 2606:4700:4700::1001
+server 2001:4860:4860::8888 -group fq_dns
+server 2001:4860:4860::8844 -group fq_dns
+server 2606:4700:4700::1111 -group fq_dns
+server 2606:4700:4700::1001 -group fq_dns
 
-server-tcp 9.9.9.9
-server-tcp 8.8.8.8
-server-tcp 8.8.4.4
-server-tcp 2001:4860:4860::8888
-server-tcp 2001:4860:4860::8844
-server-tcp 1.1.1.1
-server-tcp 1.0.0.1
-server-tcp 2606:4700:4700::1111
-server-tcp 2606:4700:4700::1001
+server-tcp 9.9.9.9 -group fq_dns
+server-tcp 8.8.8.8 -group fq_dns
+server-tcp 8.8.4.4 -group fq_dns
+server-tcp 2001:4860:4860::8888 -group fq_dns
+server-tcp 2001:4860:4860::8844 -group fq_dns
+server-tcp 1.1.1.1 -group fq_dns
+server-tcp 1.0.0.1 -group fq_dns
+server-tcp 2606:4700:4700::1111 -group fq_dns
+server-tcp 2606:4700:4700::1001 -group fq_dns
 
-server-tls 118.24.208.197 -host-name wdns.233py.com
-server-tls wdns.233py.com
-server-tls 114.115.240.175 -host-name ndns.233py.com
-server-tls ndns.233py.com
-server-tls 47.101.136.37 -host-name edns.233py.com
-server-tls edns.233py.com
-server-tls 119.29.107.85 -host-name sdns.233py.com
-server-tls sdns.233py.com
-server-tls 150.109.74.164 -host-name hk-dns.233py.com
-server-tls hk-dns.233py.com
-server-tls 107.155.79.120 -host-name us-dns.233py.com
-server-tls 2604:880:398:555::1 -host-name us-dns.233py.com
-server-tls us-dns.233py.com
-server-tls 8.8.8.8 -host-name dns.google
-server-tls 8.8.4.4 -host-name dns.google
-server-tls 2001:4860:4860::8888 -host-name dns.google
-server-tls 2001:4860:4860::8844 -host-name dns.google
-server-tls dns.google
-server-tls 1.1.1.1 -host-name 1dot1dot1dot1.cloudflare-dns.com
-server-tls 1.0.0.1 -host-name 1dot1dot1dot1.cloudflare-dns.com
-server-tls 2606:4700:4700::1111 -host-name 1dot1dot1dot1.cloudflare-dns.com
-server-tls 2606:4700:4700::1001 -host-name 1dot1dot1dot1.cloudflare-dns.com
-server-tls 1dot1dot1dot1.cloudflare-dns.com
+server-tls 8.8.8.8 -host-name dns.google -group fq_dns
+server-tls 8.8.4.4 -host-name dns.google -group fq_dns
+server-tls 2001:4860:4860::8888 -host-name dns.google -group fq_dns
+server-tls 2001:4860:4860::8844 -host-name dns.google -group fq_dns
+server-tls dns.google -group fq_dns
+server-tls 1.1.1.1 -host-name 1dot1dot1dot1.cloudflare-dns.com -group fq_dns
+server-tls 1.0.0.1 -host-name 1dot1dot1dot1.cloudflare-dns.com -group fq_dns
+server-tls 2606:4700:4700::1111 -host-name 1dot1dot1dot1.cloudflare-dns.com -group fq_dns
+server-tls 2606:4700:4700::1001 -host-name 1dot1dot1dot1.cloudflare-dns.com -group fq_dns
+server-tls 1dot1dot1dot1.cloudflare-dns.com -group fq_dns
 
 server-https https://202.141.178.13/resolve -host-name neatdns.ustclug.org -http-host neatdns.ustclug.org
 server-https https://202.38.93.153/resolve -host-name neatdns.ustclug.org -http-host neatdns.ustclug.org
 server-https https://neatdns.ustclug.org/resolve
-server-https https://9.9.9.9/dns-query -host-name dns9.quad9.net -http-host dns9.quad9.net
-server-https https://dns9.quad9.net/dns-query
-server-https https://cloudflare-dns.com/dns-query
-
+server-https https://115.159.131.230/resolve -host-name dns.rubyfish.cn -http-host dns.rubyfish.cn
+server-https https://dns.rubyfish.cn/dns-query
+server-https https://45.77.180.10/resolve -host-name dns.containerpi.com -http-host dns.containerpi.com
+server-https https://dns.containerpi.com/dns-query
+server-https https://9.9.9.9/dns-query -host-name dns9.quad9.net -http-host dns9.quad9.net -group fq_dns
+server-https https://dns9.quad9.net/dns-query -group fq_dns
+server-https https://1.1.1.1/dns-query -group fq_dns
+server-https https://1.0.0.1/dns-query -group fq_dns
+server-https https://cloudflare-dns.com/dns-query -group fq_dns
+server-https https://146.112.41.2/dns-query -host-name doh.opendns.com -http-host doh.opendns.com -group fq_dns
+server-https https://2620:119:fc::2/dns-query -host-name doh.opendns.com -http-host doh.opendns.com -group fq_dns
+server-https https://doh.opendns.com/dns-query -group fq_dns