Reverse mapping File
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This file specifies the IN-ADDR.ARPA domain
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Declared in named.conf file
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This is a special domain for allowing address to name
mapping.
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Special domain formed to allow inverse mapping
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The IN-ADDR.ARPA domain has four labels preceding it. (4 octets
of an Internet address)
- E.g. Internet address 128.32.0.4
- domain 4.0.32.128.IN-ADDR.ARPA.