I am mining Potcoin at utcmultipool but I have more than 60 unconfirmed status. Anyone else has the same problem ?

128    2014-04-30 16:59:14    Unconfirmed    211861    26.35549607    420
129    2014-04-30 16:59:10    Unconfirmed    211831    24.85427688    420
130    2014-04-30 16:59:05    Unconfirmed    211786    24.91177584    420
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66    2014-04-29 13:00:12    Unconfirmed    209339    24.71390461    420.01
67    2014-04-29 13:00:07    Unconfirmed    209287    22.41905029    420