OK, it works again. They switched nameservers, it was a transient.
Sunday, January 7, 2018, 1:30:35 PM, Daniel Dekany wrote: > It's unknown host now, and hence try.freemarker.org is as well. I have > opened an Infra issue for it. Let's hope it's just accidental and will > be resolved. > > https://issues.apache.org/jira/servicedesk/agent/INFRA/issue/INFRA-15800 > -- Thanks, Daniel Dekany