amass-track
Track differences between enumerations of the same domain.
TLDR
Show the difference between the last two enumerations of the specified domain
$ amass track -dir [path/to/database_directory] -d [domain_name] -last 2
Show the difference between a certain point in time and the last enumeration
$ amass track -dir [path/to/database_directory] -d [domain_name] -since [01/02 15:04:05 2006 MST]