diff --git a/db.chat.tilde b/db.chat.tilde
index 4812977..32bc093 100644
--- a/db.chat.tilde
+++ b/db.chat.tilde
@@ -3,7 +3,7 @@
 ;
 $TTL    604802
 @       IN      SOA     chat.tilde. root.chat.tilde. (
-                        2018112401      ; Serial
+                        2018122802      ; Serial
                          604800         ; Refresh
                           86400         ; Retry
                         2419200         ; Expire
@@ -21,3 +21,4 @@ irc	IN	A		104.225.221.249
 irc	IN	A		142.44.251.173
 irc	IN	A		172.93.50.135
 irc	IN	A		104.238.186.103
+irc	IN	A		116.203.17.87
diff --git a/db.crawl.tilde b/db.crawl.tilde
new file mode 100644
index 0000000..86f0746
--- /dev/null
+++ b/db.crawl.tilde
@@ -0,0 +1,20 @@
+;
+; BIND data file for crawl.tilde 
+;
+$TTL    604802
+@       IN      SOA     crawl.tilde. root.crawl.tilde. (
+                        2018122801      ; Serial
+                         604800         ; Refresh
+                          86400         ; Retry
+                        2419200         ; Expire
+                         604800 )       ; Negative Cache TTL
+        IN      A       116.203.40.7
+;
+
+		IN	NS		ns1.master.tilde.
+		IN	NS		ns2.master.tilde.
+		IN	NS		ns3.master.tilde.
+		IN	NS		ns4.master.tilde.
+
+@       IN      A       116.203.40.7
+*       IN      A       116.203.40.7
diff --git a/db.institute.tilde b/db.institute.tilde
new file mode 100644
index 0000000..74bbb08
--- /dev/null
+++ b/db.institute.tilde
@@ -0,0 +1,20 @@
+;
+; BIND data file for institute.tilde 
+;
+$TTL    604802
+@       IN      SOA     institute.tilde. root.institute.tilde. (
+                        2018122801      ; Serial
+                         604800         ; Refresh
+                          86400         ; Retry
+                        2419200         ; Expire
+                         604800 )       ; Negative Cache TTL
+        IN      A       116.203.17.87
+;
+
+		IN	NS		ns1.master.tilde.
+		IN	NS		ns2.master.tilde.
+		IN	NS		ns3.master.tilde.
+		IN	NS		ns4.master.tilde.
+
+@       IN      A       116.203.17.87
+*       IN      A       116.203.17.87
diff --git a/named.conf.local b/named.conf.local
index bb092d9..ba8925d 100644
--- a/named.conf.local
+++ b/named.conf.local
@@ -56,3 +56,14 @@ zone "thunix.tilde" IN {
 		70.39.97.253;
 	};
 };
+
+zone "institute.tilde" {
+	type master;
+	file "/etc/bind/db.institute.tilde";
+};
+
+zone "crawl.tilde" {
+	type master;
+	file "/etc/bind/db.crawl.tilde";
+};
+