I recently registered a dropped co.in for the first time. It shows me a Grace (hours) of 52.51. Is this an additional grace period for the former registrant? I'm asking because the expiration date shows the normal and expected 15-Sep-2014 since I registered the domain on 15-Sep-2013, so not sure what this this additional grace time means.
The 'Grace' field in the 'New Domains' domain listing is the amount of time you have left in which you can request that the domain you just registered be deleted for Dynadot account credit.
This may be useful, for example, if you misspelled the domain name you wanted to register or you decide that you want to register a different domain name.