CNAME hack???

[Man-wai Chang ToDie (33.6k)]

I was reading "Linux Administration Handbook" to learn about BIND 9. It 
has a section on configuring BIND 9 for IP addresses that uses a CIDR 
netmask of "/26". The book called it "CNAME hack".

http://books.google.com.hk/books?id=GB_O89fnz_sC&pg=PA406&lpg=PA406&dq=bind+cname+hack+byte+boundary&source=web&ots=wHXdK1DTkn&sig=ofbOawLJZkCiFGPSnDLItMKfroU&hl=en&sa=X&oi=book_result&resnum=1&ct=result

IS there an official name for this trick?

-- 
   @~@   Might, Courage, Vision, SINCERITY.
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? ? (CSSA):
http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa/