--- loncom/production_dns_hosts.tab	2018/08/17 17:50:37	1.271
+++ loncom/production_dns_hosts.tab	2018/08/18 15:45:55	1.272
@@ -127,7 +127,7 @@ purduea6:purdue:access:loncapa06.purdue.
 purduea7:purdue:access:loncapa07.purdue.edu:https:purdue.edu
 oul1:ou:library:lon-capa.oulan.ou.edu:http:ou.edu
 fh-regensburgl1:fh-regensburg:library:loncapa.hs-regensburg.de:http:hs-regensburg.de
-tucl1:tuc:library:loncapa.tu-clausthal.de:https:tu-clausthal.de
+#tucl1:tuc:library:loncapa.tu-clausthal.de:https:tu-clausthal.de
 otterbein1:otterbein:library:loncapa.otterbein.edu:http:otterbein.edu
 #asul1:asu:library:andes.eas.asu.edu:http:asu.edu
 #ucsb1:ucsb:library:lon-capa.inst.physics.ucsb.edu:http:ucsb.edu