use those:
addnode=188.230.132.226
addnode=88.193.180.145
addnode=151.224.242.33
addnode=113.2.235.63
addnode=80.121.18.48
addnode=176.99.185.190
addnode=92.255.221.181
addnode=5.164.93.142
addnode=83.215.164.206
addnode=87.113.166.62
addnode=93.83.25.85
addnode=82.246.47.198
addnode=80.220.12.202
addnode=61.174.239.236
addnode=74.88.177.35
addnode=89.93.16.199
addnode=176.15.49.142
addnode=115.207.173.185
addnode=174.100.51.46
addnode=211.93.43.59
addnode=222.65.44.96
addnode=23.240.155.166
addnode=87.97.154.27
addnode=93.183.173.190
addnode=180.155.136.78
addnode=199.188.178.180
addnode=124.228.106.35

I don' t think so. i would advise withdrawing all coins. there is simply not an option to continue on at this point. what if it was hacked again?

To be fair, I imagine that the developer is sleeping now. Give him a chance to wake up and resolve any issues.

again under maintenance ? when will it be up

"OpenEx Is Undergoing Maintenace

We'll Be Back Soon! :-)"

Any updates on why the site is down and when it'll be back?