diff --git a/dns.go b/dns.go
index 0a25030..3287dbb 100644
--- a/dns.go
+++ b/dns.go
@@ -177,6 +177,10 @@ var dns_servers = []*DNSServer{
 	&DNSServer{"lantian", "lantian", "virtono", 6, "[fdbc:f9dc:67ad:2::53]:53", 0},
 	&DNSServer{"lantian", "lantian", "hostdare", 6, "[fdbc:f9dc:67ad:3::53]:53", 0},
 	&DNSServer{"lantian", "lantian", "virmach-ny1g", 6, "[fdbc:f9dc:67ad:8::53]:53", 0},
+
+	// C4TG1RL5
+
+	&DNSServer{"c4tg1rl5", "c4tg1rl5", "pl-klc1", 6, "[fd42:deca:fbad::4]:53", 0},
 }
 
 //////////////////////////////////////////////////////////////////////////