diff --git a/check.list b/check.list
new file mode 100644
index 0000000..d6d4b11
--- /dev/null
+++ b/check.list
@@ -0,0 +1,52 @@
+IP-CIDR,142.251.215.0/24,no-resolve
+
+DOMAIN-SUFFIX,vultr.com
+DOMAIN-SUFFIX,test-ipv6.com
+DOMAIN-SUFFIX,ipw.cn
+
+DOMAIN,speed.cloudflare.com
+DOMAIN-SUFFIX,fast.com
+DOMAIN,ichnaea-web.netflix.com
+DOMAIN-SUFFIX,1.oca.nflxvideo.net
+DOMAIN-SUFFIX,speedcheck.org
+DOMAIN-SUFFIX,speedtest.net
+DOMAIN-SUFFIX,speedtest.cn
+DOMAIN-SUFFIX,ustc.edu.cn
+DOMAIN-SUFFIX,dnscheck.tools
+DOMAIN-SUFFIX,whoer.net
+DOMAIN-SUFFIX,browserleaks.com
+DOMAIN-SUFFIX,browserleaks.org
+DOMAIN-SUFFIX,browserleaks.net
+DOMAIN-SUFFIX,dnsleaktest.org
+DOMAIN-SUFFIX,1-b.net
+DOMAIN-SUFFIX,workers.dev
+DOMAIN-SUFFIX,jsonp-ip.com
+DOMAIN-SUFFIX,sspanel.net
+
+DOMAIN-SUFFIX,dnsleaktest.com
+DOMAIN-SUFFIX,browserscan.net
+DOMAIN-SUFFIX,surfshark.com
+DOMAIN-SUFFIX,surfsharkdns.com
+DOMAIN-SUFFIX,ip-api.com
+
+DOMAIN-SUFFIX,ipleak.net
+DOMAIN-SUFFIX,ip-score.com
+DOMAIN-SUFFIX,888005.xyz
+DOMAIN-SUFFIX,incolumitas.com
+
+DOMAIN-SUFFIX,null-addr.com
+DOMAIN-SUFFIX,null-addr.net
+DOMAIN-SUFFIX,null-addr.org
+DOMAIN-SUFFIX,null-addr.biz
+DOMAIN-SUFFIX,null-addr.info
+DOMAIN-SUFFIX,addr.tools
+
+DOMAIN-SUFFIX,ifconfig.me
+DOMAIN-SUFFIX,ip125.com
+DOMAIN-SUFFIX,skk.moe
+DOMAIN-SUFFIX,ip111.cn
+DOMAIN-SUFFIX,vultr.com
+DOMAIN-SUFFIX,ping0.cc
+DOMAIN-SUFFIX,incolumitas.com
+DOMAIN-SUFFIX,incolumitas.com
+DOMAIN-SUFFIX,incolumitas.com
\ No newline at end of file