They used to be good, and absolutely no issues over the past few years. However since about 1 year they have some money problems and we found that the domain renewals are stuck most of the time due to lack of funds in the reseller account. Even after opening tickets and asking chat support, it usually takes days before their account is funded. If you want to continue using them, I suggest to move the domain hosting away from them. Until now there are no major issues with the servers but experiences like this force us to consider moving the entire business, in case due to money problems they shut down overnight...