schema:             ORGANISATION-SCHEMA
ref:                nx3.organisation
dir-name:           organisation
key:                organisation   required  single    primary schema
key:                org-name       required  single
key:                descr          optional  single
key:                admin-c        optional  multiple  lookup=nx3.person,nx3.role
key:                tech-c         optional  multiple  lookup=nx3.person,nx3.role
key:                abuse-c        optional  multiple  lookup=nx3.person,nx3.role
key:                mnt-by         required  multiple  lookup=nx3.mntner
key:                mnt-ref        optional  multiple  lookup=nx3.mntner
key:                phone          optional  multiple
key:                fax-no         optional  multiple
key:                www            optional  multiple
key:                abuse-mailbox  optional  multiple
key:                e-mail         optional  multiple
key:                geoloc         optional  multiple
key:                language       optional  multiple
key:                remarks        optional  multiple
key:                address        optional  multiple
key:                source         required  single    lookup=nx3.registry
mnt-by:             NX3-MNT
source:             NX3