--- loncom/production_dns_hosts.tab	2018/04/24 15:56:57	1.268
+++ loncom/production_dns_hosts.tab	2018/06/15 19:14:09	1.269
@@ -148,7 +148,7 @@ mrul1:mru:library:lon-capa.mtroyal.ca:ht
 hs-koblenzl1:hs-koblenz:library:lon-capa.hs-koblenz.de:http:hs-koblenz.de
 uni-goettingenl1:uni-goettingen:library:loncapa.informatik.uni-goettingen.de:http:uni-goettingen.de
 #gmus1:gmu:library:lon-capa.cos.gmu.edu:http:gmu.edu
-ggcl1:ggc:library:lon-capa.ggc.edu:http:ggc.edu
+#ggcl1:ggc:library:lon-capa.ggc.edu:http:ggc.edu
 yorkul2:yorku:library:loncapa.sci.yorku.ca:http:yorku.ca
 #princetonl1:princeton:library:loncapa.princeton.edu:http:princeton.edu
 brandonul1:brandonu:library:loncapa.brandonu.ca:http:brandonu.ca