Sort stackexchange sub-list

data/stackexchange

@@ -2,20 +2,18 @@
 # https://stackexchange.com/sites
 # https://meta.stackexchange.com/questions/81379/can-we-have-a-list-of-all-the-stack-exchange-domains-somewhere-for-firewall-pur
 
-stackexchange.com
-stackoverflow.com
-serverfault.com
 askubuntu.com
-superuser.com
-stackapps.com
-mathoverflow.net
-sstatic.net
-mathoverflow.net
 blogoverflow.com
+mathoverflow.net
+serverfault.com
+sstatic.net
 stackapps.com
+stackexchange.com
 stackmod.blog
 stackoverflow.blog
+stackoverflow.com
 stackoverflowbusiness.com
+stacksnippets.net
+superuser.com
 tex-talk.net
 thesffblog.com
-stacksnippets.net