Just a quick post to inform everyone It looks like either owner forgot to renew domain or messed up with settings : http://cosmologyathome.org
http://whois.domaintools.com/cosmologyathome.org <- Whois suggests changes happened on 17th march 2018
Parallely latin squares or popularly known as OLDK1 https://boinc.multi-pool.info/latinsquares/home.php also seems to be having high load on servers and hence servers are responding very slowly.
hopefully both projects get back in shape quickly.