It depends on each guy's experience, I see that some guys have good experience with them, others have bad. I also had in the past but now I move to Godaddy, Namecheap, Name and Namesilo. IMOThanks @daica85
But I heard all bad things about 1&1 here.
Do you have any personal experience with 1&1..?
I used to be a 1&1 customers and never met any problem. Lucky me!It depends on each guy's experience, I see that some guys have good experience with them, others have bad. I also had in the past but now I move to Godaddy, Namecheap, Name and Namesilo. IMO