Having beaten Coventry City in the first round, the visitors fell behind early on when Paddy Madden fired home for the League One club, but Daniel Nti leveled after the break for the Conference North side.
Chester FC earned a replay against League One's Barnsley, although the non-league side had a goal disallowed late on.
Ben Heneghan thought that he had done enough to send the Conference outfit through, but the referee chalked off the strike for offside.
Aldershot Town also had a goal disallowed in their match against Rochdale, ensuring that the two clubs will need a replay to decide the tie.
Calvin Andrew found the back of the net in the first half, but his effort came from an offside position.
Results in full: Aldershot Town 0-0 Rochdale, Barnsley 0-0 Chester FC, Bradford City 4-1 Dartford, Bristol City 1-0 AFC Telford, Cheltenham Town 0-1 Dover Athletic, Scunthorpe United 1-1 Worcester City, Southport 2-1 Eastleigh, Wycombe Wanderers 0-1 AFC Wimbledon