"New Zealand, Civil Records Indexes, 1800-1966," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q24J-BMDG : 27 November 2017), Norman McLeod McKenzie, 1869; citing Birth, New Zealand, registration number 1869/11389, Archives of New Zealand, Wellington.
"New Zealand, Archives New Zealand, Probate Records, 1843-1998," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q2XL-7ZTH : 12 November 2017), Norman McLeod McKenzie, 1896; citing Auckland, , record number 2413, Archives New Zealand, Auckland Regional Office; FamilySearch digital folder 101020927.
It may be possible to confirm family relationships with Norman by comparing test results with other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Norman: