This problem can be difficult to diagnose, specially since there's no specific time or day when your online connection would vanish. There can be a day or two when connections seem to be fine, while in another instance you may experience no connection in the morning or evening. Weird indeed!

Ps3 error code 80028e06, getting to the bottom of that weird issue

PS3 Error code 80028e06 is related to a DNS error. An automatic setting in the configuration of your router or ps3 can be one reason why your connection is on and off, specially if it can't detect the appropriate dns settings.