Grimsby missed the chance to move into the play-off places after drawing 0-0 with Southport.
Tom Miller struck at the death to give Lincoln a 4-3 win at Hyde.
Alfreton maintained their place in the play-off spots despite only drawing 0-0 with Salisbury.
Elliot Bradbrook struck his seventh goal of the season as Dartford beat Wrexham 2-1 to give their survival hopes a major boost.
BT Sport announce four exclusively live Conference fixtures for March, including Luton v Woking.
Aldershot will be without suspended midfielder Jordan Roberts for their home game against Chester.