Less time than posting a post on this forum and actually solves your issue.
How to switch to stratum betarigs server when it's dead. Mining software refuse to switch on it if it's dead server ?
he has no idea whats hes talking about. u cant connect it back, just like u said, pool is dead.
this happened on all of my rigs, and its been hours now.
also betarigs webpage is lagging like hell