|4. The following strings have been reserved by the Registry and cannot be used as
the third-level component of a .NAME domain name or .NAME email address:
mx[followed by a number from 0 to 100] ([0-10] and [11-100])
ns[followed by a number from 0 to 100] ([0-10] and [11-100])
www[followed by a number from 0 to 100] ([0-10] and [11-100])
|5. All single character second-level domains (eg. jane.z.name) are reserved.
6. All two character second-level domains (eg. joe.mr.name) are reserved.
7. All second-level domains comprised of just numbers and hyphens (eg.
joe.123.name,john.9-1-1.name) are reserved.
8. All second-level or third-level domains with hyphens in the 3rd and 4th positions
(eg. jane-john.doe.name) are reserved.
9. The following absolute domain names are not available for registration