whois -t (person)
person: [mandatory] [single] [primary/look-up key]
address: [mandatory] [multiple] [ ]
phone: [mandatory] [multiple] [ ]
fax-no: [optional] [multiple] [ ]
e-mail: [optional] [multiple] [look-up key]
nic-hdl: [mandatory] [single] [primary/look-up key]
remarks: [optional] [multiple] [ ]
notify: [optional] [multiple] [inverse key]
mnt-by: [optional] [multiple] [inverse key]
changed: [mandatory] [multiple] [ ]
source: [mandatory] [single] [ ]