here is the output for crontab -l -u:
[root@thebox ~]# crontab -l -u domain.com
MAILTO="
[email protected]"
SHELL="/bin/sh"
# 0,15,30,45 * * * * (/usr/local/psa/admin/sbin/fetch_url 'https://my.domain.com/cron/stats') > /dev/null
MAILTO="
[email protected]"
SHELL="/bin/sh"
#...